Engineering Abbreviations & Acronyms: 1000+ Full Forms

Welcome to your ultimate resource for decoding engineering jargon! This extensive list features over 1000+ engineering abbreviations and acronyms, providing you with their full forms and clear definitions. Whether you're a student grappling with civil engineering abbreviations, a professional navigating complex mechanical engineering terms, or anyone seeking to understand electrical engineering acronyms, this guide is designed to simplify your technical journey. Quickly find the engineering full forms you need and confidently understand the language of engineering.

Engineering Abbreviations

• A – Ampere
• AAS – Atomic Absorption Spectroscopy
• AASHTO – American Association of State Highway and Transportation Officials
• ABC – Aggregate Base Course
• ABET – Accreditation Board for Engineering and Technology
• ABS – Acrylonitrile Butadiene Styrene
• AC – Air conditioner, Air conditioning, Asbestos Cement, Asphalt Concrete, Alternating Current
• ACB – Air Circuit Breaker
• ACE – Additional Chief Engineer
• ACEC – American Council of Engineering Companies
• ACI – American Concrete Institute, Australian Construction Industry
• ACSR – Aluminum Conductor Steel Reinforced
• ACSM – American Congress on Surveying and Mapping
• ACV – Aggregate Crushing Value
• ADB – Asian Development Bank
• ADC – Analog to Digital Converter
• ADEQ – Arkansas Department of Environmental Quality
• ADSL – Asymmetric Digital Subscriber Line
• ADU – Accessory Dwelling Unit
• AFC – Automatic Frequency Control
• AGMA – American Gear Manufacturers Association
• AFM – Atomic Force Microscopy
• Ah – Ampere hour
• AHD – Australian Height Datum
• AHJ – Authority Having Jurisdiction
• AHU – Air Handling Unit
• AI – Artificial Intelligence
• AIChE – American Institute of Chemical Engineers
• AISC – American Institute of Steel Construction
• AM – Additive Manufacturing
• ANSI – American National Standards Institute
• API – American Petroleum Institute, Application Programming Interface
• Approx – Approximate, approximately
• APS – Auxiliary Power Supply
• AQL – Acceptable Quality Level
• AR – Augmented Reality
• Arch – Architect, Architectural
• ARE – Assistant Resident Engineer
• AS-BUILT – As Constructed
• ASCE – American Society of Civil Engineers
• ASHRAE – American Society of Heating, Refrigerating, and Air-Conditioning Engineers
• ASIC – Application-Specific Integrated Circuit
• ASM – American Society for Metals
• ASME – American Society of Mechanical Engineers
• ASR – Alkali-Silica Reaction
• ASTM – American Society of Testing Materials
• ATC – Average Traffic Count
• Auto – Automatic, automatically
• AutoCAD – Automatic Computer Aided Design
• Avg – Average
• AVR – Automatic Voltage Regulator
• AWG – American Wire Gauge
• AWL – Allowable Working Load
• Barg – Bar gauge
• BAS – Building Automation System
• BBD – Benkelman Beam Deflection
• BBES – Bitumen Binding Enamel Surface
• BBU – Baseband Unit
• BC – Bayonet Cap
• BCA – Building and Construction Authority (Singapore)
• BEP – Break-Even Point, Building Energy Performance
• BE – Bachelors in Engineering
• BEV – Battery Electric Vehicle
• BG – Birmingham Gauge
• BHN – Brinell Hardness Number
• BHP – Brake Horsepower
• BIM – Building Information Modeling
• BIMCO – Building Industry Modeling Consortium
• BIOS – Basic Input/Output System
• BIPV – Building Integrated Photovoltaics
• BIS – Bureau of Indian Standards
• Bit mac – Bituminous Premix Carpet
• Bldg – Building
• BM – Benchmark
• BMS – Building Management System
• BOA – Blanket Order Agreement
• BOD – Biochemical Oxygen Demand
• BOH – Back of House
• BOG – Board of Governors
• BOQ – Bill of Quantities
• BOMA – Building Owners and Managers Association
• BOP – Blowout Preventer
• BPF – Band-Pass Filter
• BPS – Bits Per Second
• BRE – Building Research Establishment
• BREEAM – Building Research Establishment Environmental Assessment Method
• BS – British Standards, Back Sight
• Bsc – Bachelor of Science
• BSE – Back Scattered Electrons
• BSL – Base Station Level
• BSS – British Standard Specifications
• B Tech – Bachelor of Technology
• BTU – British Thermal Unit
• C Nos – Hundred Numbers
• C P - Chromium Plated, Chrome Plated
• C/L- Center Line
• CAD- Computer-Aided Design
• CADD- Computer-Aided Design and Drafting
• CAM- Computer-Aided Manufacturing
• CAPM- Certified Associate in Project Management
• CBR- California Bearing Ratio
• CC- Cement Concrete, Concrete Cover
• CCC- Cement Concrete Composites
• CCS- Carbon Capture and Storage
• CCT- Continuous Cooling Transformation
• CCTV- Closed-Circuit Television
• CDF- Cubic Displacement Factor
• CDM- Clean Development Mechanism
• CE- Civil Engineering
• CEN- European Committee for Standardization
• CFC- Chlorofluorocarbon
• CFD- Computational Fluid Dynamics
• CFL- Compact Fluorescent Lamp
• CFM- Cubic Feet per Minute
• CFR- Code of Federal Regulations
• CFRP- Carbon Fiber Reinforced Polymer
• CG- Cord Grip
• CGI- Corrugated Galvanized Iron
• CGPM- Construction and General Project Management
• CGS- Centimeter-Gram-Second
• CHP- Combined Heat and Power
• CHW- Chilled Water
• CI- Cast Iron
• CIA- Concrete Institute of Australia
• CIBSE- Chartered Institution of Building Services Engineers
• CIC- Construction Industry Council
• CIE- International Commission on Illumination
• CIOB- Chartered Institute of Building
• CIP- Cast In Place
• CIRIA- Construction Industry Research and Information Association
• Civ Engg- Civil Engineering
• Civ Engr- Civil Engineer
• CIWEM- Chartered Institution of Water and Environmental Management
• CL- Center Line
• CLT- Cross Laminated Timber
• Cm, cm- Centimeter
• CM- Cement Mortar, Construction Manager
• CMAA- Construction Management Association of America
• CMOS- Complementary Metal-Oxide-Semiconductor
• CMU- Concrete Masonry Unit
• CNC- Computer Numerical Control
• CNG- Compressed Natural Gas
• CO- Certificate of Occupancy, Carbon Monoxide
• CO2- Carbon Dioxide
• COF- Coefficient of Friction
• COP- Coefficient of Performance
• Const- Construction
• COW- Cell-on-Wheels
• CORS- Continuously Operating Reference Station
• CP- Cathodic Protection, Control Point
• CPFF- Cost-Plus-Fixed-Fee
• CRSI- Concrete Reinforcing Steel Institute
• CRE- Chief Resident Engineer
• CPM- Construction Project Manager, Critical Path Method
• CPT- Cone Penetration Test
• CPVC- Chlorinated Polyvinyl Chloride
• CRD- Construction Resource Efficiency
• CSCE- Canadian Society for Civil Engineering
• CSI- Construction Specification Institute
• CSP- Carbon Steel Pressure
• CSR- Construction Specification Representative, Corporate Social Responsibility
• CSTR- Continuous Stirred Tank Reactor
• CSW- Carbon Steel Welded, Clerestory Window
• CT- Current Transformer
• CTE- Coefficient of Thermal Expansion
• Cu Cm, cc, cm3- Cubic Centimeter
• Cu- Cubic
• Cum, cum, m3- Cubic Meter
• Cusec, cusec- Ft³/sec
• CVD- Chemical Vapor Deposition
• D/S- Downstream
• DAC- Digital to Analog Converter
• DAE- Diploma of Associate Engineering
• DB- Distribution Board, Database
• DBM- Dense Bituminous Macadam
• DBMS- Database Management System
• DBO- Design-Build-Operate
• DC- Direct Current
• DCIM- Data Center Infrastructure Management
• DCP- Dynamic Cone Penetrometer
• DCS- Distributed Control System
• DCV- Demand Controlled Ventilation
• DE- Detailed Engineering, Diesel Electric
• DEM- Digital Elevation Model
• Dept- Department
• DFMA- Design for Manufacture and Assembly
• DGNB- German Sustainable Building Council
• DHW- Domestic Hot Water
• Dia, dia- Diameter
• DIC- Digital Image Correlation
• DIP- Ductile Iron Pipe
• Disch – Discharge, Discharging
• DL – Dead Load
• DMA – Dynamic Mechanical Analysis
• DMLS – Direct Metal Laser Sintering
• DNB – Design-Not-Built
• DNS – Domain Name System
• DNB – Design-Not-Built
• DOC – Document
• DOE – Department of Energy
• DOP – Dilution of Precision
• DOT – Department of Transportation
• DP – Double Pole
• DPC – Damp Proof Course
• DPM – Deputy Project Manager
• DRB – Dispute Resolution Board
• Drg, dwg – Drawing
• DRMS – Data Requirements Management System
• DSC – Differential Scanning Calorimetry
• DSM – Digital Surface Model
• DSP – Digital Signal Processing
• DST – Double Surface Treatment
• DTA – Differential Thermal Analysis
• DTM – Digital Terrain Model
• DWC – Double Wall Corrugated
• DWV – Drain, Waste, and Vent
• E&M – Electrical and Mechanical
• EA – Engineers Australia
• EAF – Electric Arc Furnace
• EBOM – Existing Buildings
• EBSD – Electron Backscatter Diffraction
• ECAD – Electrical Computer-Aided Design
• ECSA – Engineering Council of South Africa
• EDM – Electromagnetic Distance Measurement
• EDX- Energy Dispersive X-ray
• EE- Embodied Energy
• EELS- Electron Energy Loss Spectroscopy
• EEM- Energy Efficient Mortgages
• EEO- Energy Efficiency Obligations
• EEPROM- Electrically Erasable Programmable Read-Only Memory
• EER- Energy Efficiency Ratio
• EFIS- External Foam Insulation System
• EHS- Environment, Health, and Safety
• EHT- Extra High Tension
• EHV- Extra High Voltage
• EIA- Environmental Impact Assessment, Energy Information Administration (USA)
• EIFS- Exterior Insulation Finishing System
• EIR- Environmental Impact Report
• EIT- Engineer in Training
• EJCDC- Engineers Joint Contract Documents Committee
• Elec- Electric, Electrical
• ELV- Electric Light Vehicle
• EM- Electromagnetic
• EMC- Electromagnetic Compatibility
• EMD- Engineering Model Document
• EMF- Electromotive Force
• EMI- Electromagnetic Interference
• EMS- Environmental Management System
• EMT- Electrical Metallic Tubing
• ENAA- Engineering Advancement Association of Japan
• Engg- Engineering
• Engr- Engineer
• ENR- Engineering News Record
• ENR- Engineering News-Record
• EOL- End of Life
• EOT- Extension of Time, End of Track
• EPA- Environmental Protection Agency
• EPACT- Energy Policy Act
• EPANET- Environmental Protection Agency Network Evaluation Tools (Water Distribution Modeling Software)
• EPBD- Energy Performance of Buildings Directive
• EPC- Engineering, Procurement, and Construction
• EPD- Environmental Product Declaration
• EPDM- Ethylene Propylene Diene Monomer
• EPM- Electrochemical Potential Measurement
• EPR- Electron Paramagnetic Resonance
• EPS- Expanded Polystyrene
• ERTMS- European Rail Traffic Management System
• ES- Edison Screw Cap
• ESD- Electrostatic Discharge, Environmentally Sustainable Design
• ESD- Environmentally Sustainable Design
• ESG- Environmental, Social, and Governance
• ESR- Environmental and Social Responsibility
• ESRI- Environmental Systems Research Institute
• EST- Energy Storage Technology
• ET- Electrical Thread
• EU ETS- European Union Emissions Trading System
• EUI- Energy Use Intensity
• EURAMET- European Association of National Metrology Institutes
• EU ETS- European Union Emissions Trading System
• EUI- Energy Use Intensity
• EURAMET- European Association of National Metrology Institutes
• EWB- Engineers Without Borders
• EWL- Existing Water Level
• Exc, exc- Exceeding, exceed
• FAA- Federal Aviation Administration
• FAS- Free Alongside Ship
• FAT- Factory Acceptance Test
• Excl, excl- Excluding, excluded
• ft²- Square Feet
• ft³- Cubic Feet
• FC – Fiber Cement
• FCC – Face-Centered Cubic
• FCR – Field Change Request
• FDM – Fused Deposition Modeling
• FEA – Finite Element Analysis
• FEANI – European Federation of National Engineering Associations
• FEM – Finite Element Method
• FEMA – Federal Emergency Management Agency
• FFE – Finished Floor Elevation
• FFL – Finished Floor Level
• FI – Flakiness Index
• FIB – Focused Ion Beam
• FIDIC – Fédération Internationale des Ingénieurs-Conseils
• FM – Facility Management
• FOC – Face of Concrete
• FOS – Factor of Safety
• FPS – Feet Per Second
• FRA – Failure Rate Analysis
• FRC – Fiber Reinforced Composite
• FRL – Fire Resistance Level
• FRP – Fiber Reinforced Pipe
• FRP – Fiber Reinforced Polymer
• FS – Fore Sight
• FSC – Forest Stewardship Council
• FSSP – Full Scale Structural Prototype
• Ft, ft – Foot, Feet
• FTE – Full-Time Equivalent
• FTIR – Fourier Transform Infrared Spectroscopy
• FWD – Falling Weight Deflectometer
• Gal, gal – Gallon
• Galvd – Galvanized
• GAR – Green Area Ratio
• GBCI – Green Building Certification Institute
• GC – Gas Chromatography
• GCP – Ground Control Points
• GE – Garrison Engineer
• Geotech – Geotechnical Engineering
• GF – Ground Floor
• GFCI – Ground Fault Circuit Interrupter
• GFRP – Glass Fiber Reinforced Polymer
• GGBS – Ground Granulated Blast Furnace Slag
• GHG – Greenhouse Gas
• GHP – Ground Heat Pump
• GI – Galvanized Iron
• GIRDER – Ground Investigation Report, Design, Execution, and Reporting
• GIS – Geographic Information System
• GL – Ground Level
• gm – Gram
• GNIS – Geographic Names Information System
• GNSS – Global Navigation Satellite System
• Govt – Government
• GPC – Gel Permeation Chromatography
• gpd – Gallons per Day
• GPM, gpm – Gallons per Minute
• GPR – Ground Penetrating Radar
• GPS – Global Positioning System
• GR – Grid Reference
• GRC – Glass Reinforced Concrete
• GRP – Glass Reinforced Plastic
• GSI – Geosynthetic Institute
• GSM – Global System for Mobile Communication
• GWP – Global Warming Potential
• HC – High Conductivity
• HCP – Hexagonal Close-Packed
• HD – Hard Drawn
• HDD – Horizontal Directional Drilling
• HDF – High Density Fibre
• HDOP – Horizontal Dilution of Precision
• HDPE – High-Density Poly Ethylene
• HDS – Hydrographic Survey
• HEA – High Entropy Alloys
• HERS - Home Energy Rating System
• HFE - High-Frequency Electromagnetic
• HI - Height of Instrument
• HIC - Hydrogen-Induced Cracking
• HIP - Hot Isostatic Pressing
• HM - Hot Mix (asphalt)
• HMA - Hot Mix Asphalt
• HMI - Human-Machine Interface
• HOV - High Occupancy Vehicle
• HP, hp - Horse Power
• HP - High Precision, Horizontal Precision
• HPC - High Performance Concrete
• HPLC - High-Performance Liquid Chromatography
• HPP - Hydroelectric Power Plant
• HPS - High-Performance Steel
• Hr, hr - Hour
• HR - Horizontal Radius, Human Resource
• HRC - High Rupturing Capacity
• HRC - Rockwell Hardness Scale C
• HS - Heat Shrink
• HSB - Highway Safety Barrier
• HSE - Health, Safety, and Environment
• HSLA - High-Strength Low-Alloy
• HSS - High Strength Steel
• HT - High Tension
• HTTP - Hypertext Transfer Protocol
• HTV - Heavyweight Vehicles
• HTTPS - Hypertext Transfer Protocol Secure
• HV - High Voltage, Vickers Hardness
• HVAC - Heating, Ventilation, and Air Conditioning
• HZ - Hertz
• IABSE - International Association for Bridge and Structural Engineering
• IAEA - International Atomic Energy Agency
• IAHR - International Association for Hydro-Environment Engineering and Research
• IAQ - Indoor Air Quality
• IBC - International Building Code
• IBPSA - International Building Performance Simulation Association
• IC - Iron Clad, Integrated Circuit,Internal Combustion
• ICBO - International Conference of Building Officials
• ICC - International Code Council
• ICE - Internal Combustion Engine, Institution of Civil Engineers (UK)
• ICM - Infrastructure Condition Monitoring
• ICP - Inductively Coupled Plasma
• ICSM - Intergovernmental Committee on Surveying and Mapping
• IDOT - Illinois Department of Transportation
• IE - Industrial Engineering
• IEA - International Energy Agency
• IEC - International Electrotechnical Commission
• IECC - International Energy Conservation Code
• IEE - Institution of Electrical Engineers (UK)
• IEEE - Institute of Electrical and Electronics Engineers
• IEMA - Institute of Environmental Management and Assessment
• IEQ - Indoor Environmental Quality
• IES - Illuminating Engineering Society
• IET - Institution of Engineering and Technology (UK)
• IFC - Industry Foundation Classes
• IFC - International Finance Corporation
• IFC - Issued for Construction
• IGBC - Indian Green Building Council
• IGCC - International Green Construction Code
• IGES - Initial Graphics Exchange Specification
• IGSHPA - International Ground Source Heat Pump Association
• IIE - Institute of Industrial Engineers
• IIR - International Institute of Refrigeration
• IMechE - Institution of Mechanical Engineers (UK)
• IMU - Inertial Measurement Unit
• In, in - Inch
• Incl, incl - including, includes, included
• INR - Initial Network Report
• IOT - Internet of Things
• IP - Ingress Protection, Internet Protocol
• IPMVP - International Performance Measurement and Verification Protocol
• IPP - Independent Power Producer
• IPS - In-Plane Switching
• IPX - Ingress Protection
• IR - Infrared
• IRC - International Residential Code
• IS - Indian Standard, Intermediate Sight
• ISO 14001 - Environmental Management Systems Standard
• ISO 21931 - Sustainability in Building Construction Standard
• ISO 50001 - Energy Management System Standard
• ISO - International Organization for Standardization
• IStructE - Institution of Structural Engineers (UK)
• ITB - Invitation to Bid
• ITS - Intelligent Transportation Systems
• ITU - International Telecommunication Union
• IUPAC - International Union of Pure and Applied Chemistry
• IUPAP - International Union of Pure and Applied Physics
• IWRM - Integrated Water Resources Management
• J - Joule
• JCB - Joseph Cyril Bamford (brand of construction equipment)
• JIC - J-Integral Critical Value
• JIS - Japanese Industrial Standards
• JMF - Job Mix Formula
• JPE - Japan Society of Professional Engineers
• JRC - Joint Research Centre (European Commission)
• K - Kilo (10^3), Kip
• KA - Kilo Ampere
• Kg, kg - Kilogram
• Kmph - Kilometer per hour
• KVA - Kilo Volt Ampere
• Kw - Kilo watt
• KWh, kwh - Kilo Watt hour
• l, lit - Liter
• LAM - Layered Additive Manufacturing
• LAN - Local Area Network
• Lb, lb - Pound
• LCA - Life Cycle Assessment
• LCAD - Life Cycle Assessment Design
• LCC - Life Cycle Costing
• LCCA - Life Cycle Cost
• LCCA - Life-Cycle Cost Analysis
• LCCO2 - Life Cycle Carbon Dioxide
• LCF - Low Cycle Fatigue
• LCI - Life Cycle Inventory
• LDF - Low Density Fibre
• LDPE - Low-Density Polyethylene
• LEAP - Life-Extending Analysis and Planning
• LED - Light Emitting Diode
• LEED - Leadership in Energy and Environmental Design
• LEL - Lower Explosive Limit
• LID - Low Impact Development
• LIDAR - Light Detection and Ranging
• LL - Liquid Limit
• LNG - Liquefied Natural Gas
• LOC - Level of Control
• LOF - Loss of Flow
• LOI - Letter of Intent, Loss on Ignition
• LOP - Line of Position
• LPS - Lightning Protection System
• LRFR - Load and Resistance Factor Rating
• LRS - Linear Referencing System
• LS - Licensed Surveyor
• LSL - Least Squares Leveling
• LT - Low Tension
• LTE - Long-Term Evolution
• LTV - Light weight Vehicles
• LV - Low Voltage
• LVL - Laminated Veneer Lumber
• M&P - Mechanical and Plumbing
• M, m - Meter
• m² - Square Meters
• m³ - Cubic Meters
• Max, max - Maximum
• MBBR - Moving Bed Biofilm Reactor
• MBR - Master of Building Renovation
• MBR - Membrane Bioreactor
• MC - Medium Cutback
• MCB - Molded Circuit Breaker
• MCC - Main Control Center
• MCCB - Molded Case Circuit Breaker
• MCL - Maximum Credible Load
• MCR - Material Cost Ratio
• MD - Molecular Dynamics
• MDD - Max Dry Density
• MDF - Medium Density Fibre
• MDI - Max Demand Indicator
• MDL - Maximum Design Load
• Mech - Mechanical, Mechanics
• MEMS - Micro-Electro-Mechanical Systems
• MEP - Mechanical, Electrical, Plumbing
• MES - Military Engineer Services
• Mfd - Milli Faraday
• MFD - Microfarad
• Mg, mg - Milligram
• MIMO - Multiple Input Multiple Output
• Min, min - Minute (time), minimum
• Mm, mm - Millimeter
• MMC - Metal Matrix Composite
• MMS - Mobile Mapping System
• MOCVD - Metal-Organic Chemical Vapor Deposition
• MOF - Metal-Organic Framework
• MOSFET - Metal-Oxide-Semiconductor Field-Effect Transistor
• MP - Microprocessor
• MPA - Master Plan Agreement
• MPa - Mega Pascal
• MPB - Master Planning Board
• MPPT - Maximum Power Point Tracking
• MPT - Maintenance of Traffic
• MRA - Mapping Reference Angle
• MS - Mild Steel, Mass Spectrometry
• Msc - Master of Science
• MSE - Mechanically Stabilized Earth
• MSW - Municipal Solid Waste
• MTBF - Mean Time Between Failures
• MTO - Material Takeoff
• MTTR - Mean Time to Repair
• MV - Medium Voltage
• mva - Milli Volt Ampere
• MW - Megawatt
• N - Newton
• NABERS - National Australian Built Environment Rating System
• NACE - National Association of Corrosion Engineers
• NAD - North American Datum
• NAM - National Association of Manufacturers
• NCEES - National Council of Examiners for Engineering and Surveying (USA)
• NCHRP - National Cooperative Highway Research Program
• NDT - Non-Destructive Testing
• NEC - National Electrical Code
• NEMA - National Electrical Manufacturers Association
• NER - Network Equipment Room
• NESC - National Electrical Safety Code
• NEZ - Northing, Easting, Elevation Zone
• NFPA - National Fire Protection Association
• NGL - Natural Gas Liquids, Natural Ground Level
• NGS - National Geodetic Survey
• NIST - National Institute of Standards and Technology
• NMR - Nuclear Magnetic Resonance
• NOC - Notice of Completion
• NOS - Notice of Substantial Completion
• Nos - Numbers
• Not exc, not exc - Not exceeding, not exceed
• NOx - Nitrogen Oxides
• NPC - National Planning Commission
• NPSH - Net Positive Suction Head
• NRCS - Natural Resources Conservation Service
• NRSP - National Rural Support Program
• NSPE - National Society of Professional Engineers
• NSRS - National Spatial Reference System
• NTC - Negative Temperature Coefficient
• NZE - Net Zero Emissions
• NZEB - Net Zero Energy Building
• OHWT - Over Head Water Tank
• O&M - Operations and Maintenance
• OA - Overall Accuracy
• OCPD - Overcurrent Protection Device
• OCB - Oil Circuit Breaker
• OD - Outside Diameter
• OECD - Organization for Economic Co-operation and Development
• OGS - Onsite Generation System
• OHSAS - Occupational Health and Safety Assessment Series
• OLE - Overhead Line Equipment
• OLS - Ordinary Least Squares
• OMC - Optimum Moisture Content
• OPAMP - Operational Amplifier
• ORP - Oxidation-Reduction Potential
• OSHA - Occupational Safety and Health Administration
• OSI - Open Systems Interconnection
• OSR - Open Space Ratio
• OT - Observational Tower
• P.E. - Professional Engineer
• Pa - Pascal (unit of stress)
• PA - Polyamide
• PBX - Private Branch Exchange
• PC - Precast Concrete, Personal Computer, Polycarbonate
• PCA - Portland Cement Association
• PCB - Printed Circuit Board
• PCC - Plain Cement Concrete, Permanent Control Coordinates
• PCCP - Prestressed Concrete Cylinder Pipe
• PCI - Pavement Condition Index
• PCM - Phase Change Material
• PCSIR - Pakistan Council on Scientific Research
• PDM - Project Data Management
• PDOP - Positional Dilution of Precision
• PDRI - Project Definition Rating Index
• PDU - Power Distribution Unit
• PE - Poly Ethylene, Professional Engineer
• PEEK - Polyether Ether Ketone
• PET - Polyethylene Terephthalate
• PF - Power Factor
• PGL - Proposed Ground Level
• PHCC - Plumbing-Heating-Cooling Contractors Association
• PHI - Permeability Index
• PI - Plasticity Index
• PIANC - World Association for Waterborne Transport Infrastructure
• PID - Proportional Integral Derivative
• PILC - Paper Insulated and Lead Cover
• PL - Property Line
• PLA - Polylactic Acid
• PLC - Programmable Logic Controller
• PLM - Product Lifecycle Management
• PLS - Programmable Logic System
• Plum - Plumbing
• PM - Project Manager
• PM - Phase Modulator, Powder Metallurgy
• PMBOK - Project Management Body of Knowledge
• PMMA - Polymethyl Methacrylate
• PMP - Project Management Professional
• PMS - Permanent Marking Station
• PMT - Project Management Team
• PNT - Positioning, Navigation, and Timing
• POL - Petrol, Oil and Lubricants
• POLCA - Planning, Organizing, Leading, Controlling & Assuring
• POT - Paver Operations Time
• PP - Polypropylene
• PPA - Power Purchase Agreement
• PPD, ppd - Pounds per Day
• PPE - Personal Protective Equipment
• PPGI - Pre painted Galvanized Iron
• ppm - Parts per million
• PPO - Precise Point Positioning
• PPR - Poly propylene Random
• PPS - Polyphenylene Sulfide
• PQC - Pavement Quality Concrete
• PRN - Pseudo-Random Noise
• PS - Pressure Switch
• PSF - Professional Services Firm
• PSI - Pounds per Square Inch
• PSS - Pakistan Standard Specifications
• PT - Potential Transformer, Post-Tensioning
• PTFE - Poly tetra fluoroethylene
• PU - Polyurethane
• PV - Photovoltaic
• PVC - Poly Vinyl Chloride
• PVD - Physical Vapor Deposition
• PVDF - Polyvinylidene Fluoride
• PWM - Pulse Width Modulation
• PWR - Pressurized Water Reactor
• PZT - Lead Zirconate Titanate
• QA/QC - Quality Assurance/Quality Control
• QC - Quality Control
• QEI - Qualified Elevator Inspector
• QMS - Quality Management System
• QRA - Quantitative Risk Assessment
• RAE - Royal Academy of Engineering
• RAM - Random Access Memory
• RAP - Reclaimed Asphalt Pavement
• RC - Rapid Cutback
• RCC - Reinforced Cement Concrete
• RCD - Residual Current Device
• RCM - Reliability-Centered Maintenance
• RCP - Reinforced Concrete Pipe
• RE - Resident Engineer
• REACH - Registration, Evaluation, Authorisation, and Restriction of Chemicals
• RECS - Renewable Energy Certificates
• RES - Renewable Energy Sources
• RET Wall - Mechanically Stabilized Earth Retaining Wall
• RF - Radio Frequency
• RFI - Request for Information, Invitation or Investment or Inspection
• RFID - Radio-Frequency Identification
• RFM - Resource and Facility Management
• RFP - Request for Proposal
• RFQ - Request for Quotation
• RHEED - Reflection High-Energy Electron Diffraction
• RICS - Royal Institution of Chartered Surveyors
• RILEM - International Union of Laboratories and Experts in Construction Materials, Systems, and Structures
• RL - Reduced Level
• RLA - Rated Load Amps
• RM - Running Metre
• RMP - Risk Management Plan
• RMS - Root Mean Square
• RPM, rpm - Revolutions per minute
• RMT - Reinfored Masonry Technology
• RO - Reverse Osmosis
• ROD - Record of Decision
• ROI - Return on Investment
• RoHS - Restriction of Hazardous Substances
• ROM - Read-Only Memory
• ROW - Right of Way
• RPS - Renewable Portfolio Standards
• RPM, rpm - Revolutions per minute
• RR - Reference Radius
• RS - Roadway Shoulder
• RTD - Resistance Temperature Detector
• RTK - Real-Time Kinematic
• RTM - Resin Transfer Molding
• RTU - Remote Terminal Unit
• RVE - Representative Volume Element
• S Eq - Sand Equivalent
• SWPPP - Storm Water Pollution Prevention Plan
• S W V Soil - Waste and Ventilation
• SAB - Sustainable Architecture Board
• SAE - Society of Automotive Engineers
• SAED - Sustainable Architecture, Engineering, and Design
• SANS - South African National Standards
• SAP - Structural Analysis Program
• SAT - Site Acceptance Test
• SBA - Small Business Administration
• SBC - Safe Bearing Capacity
• SBR - Styrene-Butadiene Rubber
• SC - Slow Cutback
• SCADA - Supervisory Control and Data Acquisition
• SCC - Stress Corrosion Cracking
• SCFM - Standard Cubic Feet per Minute
• SCR - Silicon Controlled Rectifier
• SCS - Subsurface Conditions Survey
• SD - Standard Deviation
• SDG - Sustainable Development Goals
• SDP - Survey Data Processing
• SDR - Standard Dimension Ratio
• SEER - Seasonal Energy Efficiency Ratio
• SEI - Structural Engineering Institute
• SEM - Scanning Electron Microscope
• SESOC - Structural Engineers Association of Southern California
• SFC - Survey Field Computer
• SFD - Shear Force Diagram
• SHS - Square Hollow Section
• SI - International System of Units (Système International d'Unités)
• SIC - Silicon Carbide
• SICE - Society of Instrument and Control Engineers (Japan)
• SIL - Safety Integrity Level
• SITC - Sustainable Infrastructure Technology Center
• SL - Service Load
• SLA - Service Level Agreement
• SLD - Single Line Diagram
• SLM - Selective Laser Melting
• SLOPE/W - Slope Stability Analysis Software
• SLS - Selective Laser Sintering
• SMA - Shape Memory Alloy
• SMD - Surface-Mount Device
• SME - Society for Mining, Metallurgy, and Exploration
• SME - Shape Memory Effect
• SMP - Standard Maintenance Procedures
• SMPS - Switched-Mode Power Supply
• SMT - Surface-Mount Technology
• SOA - Service-Oriented Architecture
• SOC - System on Chip
• SOG - Slab on Grade
• SOP - Standard Operating Procedure
• SOW - Statement of Work
• SP - Single Pole, Single Phase
• SPC - State Plane Coordinate System
• SPD - Surge Protection Device, Severe Plastic Deformation
• SPT - Standard Penetration Test
• Sq Cm, sqcm - Square Centimeter
• SQL - Structured Query Language
• Sq, sq - Square
• Sqm, sqm - Square Meter
• SR - Sustainability Reporting
• SRI - Solar Reflective Index
• SSL - Secure Sockets Layer
• SST - Stainless Steel
• ST - Single Surface Treatment
• STA - Steel Tape Armoured
• STC - Sound Transmission Class
• STOL - Short Takeoff and Landing
• STP - Standard Temperature and Pressure
• Str - Structure, Structural
• SUSMP - Stormwater Pollution Prevention Plan
• SV - Survey Vehicle
• Svy - Surveying
• SW - Steel Wire
• SWA - Steel Wire Armoured
• SWD - Sidewalk Drain
• SWG - Standard Wire Gauge
• SWL - Safe Working Load
• SWMM - Storm Water Management Model
• SWOT - Strengths, Weaknesses, Opportunities, Threats
• SWPPP - Storm Water Pollution Prevention Plan
• SWTP - Sewage Water Treatment Plant
• Sym - Symmetrical
• T TOU - Metric ton Time of Utilization
• T&P - Tools and Plants
• T5/T8 - Types of Fluorescent Tubes
• TB - Traverse Bearing
• TBC - Thermal Barrier Coating, To Be Confirmed
• TBD - To Be Determined
• TBM - Tunnel Boring Machine, Temporary Benchmark
• TBR - Tangential Bearing
• TCL - Top of Curb Line
• TCP - Transmission Control Protocol
• TDC - Top Dead Center
• TDD - Time Division Duplex
• TDR - Time Domain Reflectometry
• TDS - Technical Data Sheet
• TDV - Time Dependent Valuation
• Tech - Technology
• TEM - Transmission Electron Microscope
• TFD - To Final Design
• TFF - Thin Film Formation
• Tg - Glass Transition Temperature
• TGA - Thermogravimetric Analysis
• TIA - Telecommunications Industry Association
• TL - Traffic Load
• Tm - Melting Temperature
• TMA - Thermomechanical Analysis
• TMD - Tuned Mass Damper
• TMDL - Total Maximum Daily Load
• TMS - Traffic Management System
• TMS - Transition Metal Sulfide
• TMT - Thermo-Mechanically Treated (Steel)
• TOE - Top of Embankment
• TOF - Top of Footing
• TOL - Top of Level
• TOR - Terms of Reference
• TP - Triple Pole, Turning Point
• TPFE - Poly tetra fluoro ethylene
• TPM - Total Productive Maintenance
• TPN - Triple Pole and Neutral, Topographic Network
• TQM - Total Quality Management
• TRB - Transportation Research Board
• TRC - Total Runoff Coefficient
• TRF - Terrain Roughness Factor
• TRIP - Transformation Induced Plasticity
• TRL - Technology Readiness Level
• TS - Total Station
• TSAC - Thermal Solar Air Collector
• TSS - Total Suspended Solids
• TST - Triple Surface Treatment
• TWI - The Welding Institute
• TWIP - Twinning Induced Plasticity
• TWL - Top Water Level
• U/G - Underground
• U/S - Upstream
• UASB - Upflow Anaerobic Sludge Blanket
• UBC - Uniform Building Code
• UC - Unit Cost, Under Construction
• UCS - Unified Soil Classification System
• UDL - Uniformly Distributed Load
• UG - Underground
• UHF - Ultra High Frequency
• UHM - Ultra High Modulus
• UHP - Ultra-High Pressure
• UL - Underwriters Laboratories
• ULEF - Unit Load Equivalent Factor
• Uni - University, Universalr
• UPS - Uninterruptible Power Supply
• uPVC - Un-Plasticized Poly Vinyl Chloride
• USACE - U.S. Army Corps of Engineers
• USGBC - US Green Building Council
• UT - Ultrasonic Testing
• UTM - Universal Transverse Mercator
• UTS - Ultimate Tensile Strength
• UV - Ultraviolet
• V - Volt
• VAV - Variable Air Volume
• VC - Vertical Curve
• VCB - Vacuum Circuit Breaker
• VDC - Voltage Direct Current, Virtual Design and Construction
• VDF - Vacuum Dewatered Flooring
• VDOP - Vertical Dilution of Precision
• Vent - Ventilation
• VFD - Variable Frequency Drive
• VGB - Technical Association of Large Power Plant Operators
• VLSI - Very-Large-Scale Integration
• VMP - Value Management Plan
• YRD - Yield Reduction Deficiency
• VOC - Volatile Organic Compound
• VOC - Volatile Organic Compound
• VR - Voltage Regulator,Virtual Reality
• VRF - Variable Refrigerant Flow
• VRLA - Valve Regulated Lead Acid
• VRS - Virtual Reference System
• VSD - Variable Speed Drive
• VSL - Vertical Slipform Line
• W I - Wrought Iron
• W - Watt
• WAN - Wide Area Network
• WASH - Water, sanitation and hygiene
• WBCSD - World Business Council for Sustainable Development
• WBM - Water Bound Macadam
• WC - Water Closet, Water Column
• WCA - Water Contact Angle
• WEC - World Energy Council
• WELL - WELL Building Standard
• WGS - World Geodetic System
• WHO - World Health Organization
• WLAN - Wireless Local Area Network
• WLL - Working Load Limit
• WMA - Warm Mix Asphalt
• WMO - World Meteorological Organization
• WMS - Water Management System
• WP - Waypoint
• WPC - Wood-Plastic Composite
• WQC - Water Quality Control
• WRAS - Water Regulations Advisory Scheme
• WSD - Working Stress Design
• WSP - WSP Global Inc
• WTG - Wind Turbine Generator
• WWF - Welded Wire Fabric
• WWTP - Wastewater Treatment Plant
• XEN - Executive Engineer
• XL - Extra Large
• XLPE - Cross Linked Poly Ethylene
• XPM - Expended Material
• XPS - X-ray Photoelectron Spectroscopy
• XRD - X-Ray Diffraction
• XRF - X-ray Fluorescence
• XRPD - X-ray Powder Diffraction
• YAG - Yttrium Aluminum Garnet
• YBCO - Yttrium Barium Copper Oxide
• YIG - Yttrium Iron Garnet
• YS - Yield Strength
• YTD - Year To Date
• YB - Yield Boundary
• YT - Yield Tensile
• YOY - Year Over Year
• YGF - Yield Guard Factor
• YTS - Yield Tensile Strength
• YAGM - Yttrium Aluminum Garnet Multilayer
• YDS - Yield Design Strength
• YMS - Yield Moment Strength
• YP - Yield Point
• YV - Yield Value
• YNA - Yield Not Applicable
• YLD - Yield Load Deformation
• YPM - Yield Per Minute
• YEC - Yield Engineering Consulting
• YML - Yield Material Limit
• Yd, yd - Yard
• ZDDP - Zinc Dialkyldithiophosphate
• ZEBRA - Zero Emission Battery Research Activities
• ZEV - Zero Emission Vehicle
• ZIE - Zero Insertion Extraction
• ZIF - Zero Insertion Force
• ZLD - Zero Liquid Discharge
• ZLS - Zero Lift System
• ZMP - Zero Moment Point
• ZNB - Zinc Nickel Battery
• ZNE - Zero Net Energy
• ZNLO - Zinc Nitride Light-Emitting Diode
• ZOH - Zero Order Hold
• ZOI - Zone of Influence
• ZOP - Zero Output Point
• ZOR - Zone of Responsibility
• ZPB - Zinc Plated Bolt
• ZPD - Zero Point Defect
• ZPE - Zero Point Energy
• ZPI - Zero Power Indicator
• ZPL - Zero Power Loss
• ZPM - Zero Phase Modulation
• ZPS - Zero Power Sensing
• ZRA - Zinc Rich Anode
• ZRS - Zero Reference Signal
• ZTA - Zirconia Toughened Alumina
• ZTC – Zero Temperature Coefficient
• ZTF – Zero Time Frame
• ZVI – Zero Valent Iron
• ZVS – Zero Voltage Switching
• ZWD – Zero Wait Data
• ZWI – Zero Waste Initiative
• ZWL – Zero Waste Lifestyle
• 0 C – Degrees Celsius / Centigrade
• 0 F – Degrees Fahrenheit
• Ώ – Ohm