Everyday Science Abbreviations List

An abbreviation (from Latin brevis, meaning short) is a shortened form of a word or phrase. It consists of a group of letters taken from the word or phrase. For example, the word abbreviation can itself be represented by the abbreviation abbr., abbrv., or abbrev. Here is a list of 200 very important abbreviations to prepare competitive exams suh as  PPSC, NTS, CSS, PTS, OTS, FPSC and many other etc.

• ABM: Anti-Ballistic Missile
• AC: Alternating Current/Air Conditioning
• ADH: Anti-diuretic Hormone
• AEC: Atomic Energy Commission
• AIDS: Acquired Immune Deficiency Syndrome
• Alt: Altitude
• am: Ante Maridiem (Before Noon/Midday)
• Amp: Ampere
• AMU: Atomic Mass Unit
• APTEC: All Pakistan Technology Engineers Council
• ATM: Automated Teller Machine (Banking)
• ATP: Adenosine Triphosphate
• ATP: Adenosine Tri Phosphate
• AW: Atomic Weight/ Asia Watch
• AWACS: Airborne Warning and Control System
• BASIC: Beginner’s All-Purpose Symbolic Instruction Code
• BCG: Bacillus Calmette Guerin
• BDS: Bachelor Of Dental Surgery/ Bomb Disposal Squad
• BIOS: Basic Input Output System
• BOT: Build, Operate and Transfer/Botulinum Toxin
• BP: Blood Pressure/ Boiling Point/ Blue Print 13. C/A: Current Account
• BTU: British thermal Unit
• CAA: Civil Aviation Authority
• CABB: Centre Of Agricultural Biochemistry And Biotechnology
• CAD: Computer- Aided Design
• Cal: Calorie
• CCTV: Closed-Circuit Television
• CD-ROM: Compact Disc Read-Only Memory
• CD: Compact Disc/ Civil Defence/ Community Development
• CECP: Cotton Export Corporation Of Pakistan
• CFC: Chloro Fluoro Carbon
• CHASNUPP: Chashma Nuclear Power Plant
• CMCC: China Mobile Communications Corporation
• CNG: Compressed Natural Gas
• CNS: Central Nervous System
• COM: Computer Aided Manufacturing
• COMSAT: Communications Satellite Corporation
• COMSTECH: Council Of Scientific And Technology Cooperation Of Islamic Conference
• CPU: Central Processing Unit
• CRO: Cathode Ray Oscilloscope
• CRT: Cathode Ray Tube
• CSIRO: Commonwealth Scientific And Industrial Research Organisation
• CT-Scan: Computerised Axial Tomography Scanning
• CTBT: Comprehensive Test Ban Treaty
• DBS: Data Base Server/ Direct Broadcast Satellite
• DNA: Deoxyribonucleic Acid
• DVD: Dynamic Versatile Disc
• ECAT: Engineering Colleges Admission Test
• ECG: Electro Cardio Gram

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• EDB: Engineering Development Board
• EEG: Electroencephalogram
• EMF: Electro Motive force
• ENERCON: Energy Conservation Centre
• EPA: Energy Protection Agency
• EPD: Energy Protection Department
• ESA: European Space Agency
• ESRO: European Space Research Organisation
• ETT: Educational Telecommunications and Technology/ European Transaction on T elecommunication
• FAT: File Allocation Table
• FCPS: Fellow Of The Royal College Of Physicians And Surgeons
• FM: Frequency Modulation
• FMCT: Fissile Material Cut-Off Treaty
• FRCS: Fellow Of The Royal College Of Surgeons
• GeV: Giga Electro Volt
• GHz. Gigahertz
• GMT: Greenwich Mean Tim
• GUT: Grand Unified Theory
• HDL: Hardware Description Language
• HIV: Human Immune Deficiency Virus
• HST: High Speed Technology/ High Speed Train (in UK)/Hubble Space Telescope
• HTML: Hypertext Mark-Up Language
• HTTP: Hypertext Transfer Protocol
• IAEA: International Atomic Energy Agency (UN)
• IBM: International Business Machine
• IC: Integrated Circuit/ Intelligence Corps
• ICBM: Inter-Continental Ballistic Missile
• ICU: Intensive Care Unit
• IEA: International Energy Agency
• INSTRAW: International Research And Training Institute For The Advancement Of Women
• INTELSAC: International Telecommunications Satellite Consortium
• Intelsat: International Telecommunications Satellite Organisation
• IRBM: Intermediate Range ballistic Missile
• ISP: Internet Service Provider
• IT: Information Technology
• ITB: Information Technology Board
• JAXA: Japan Aerospace Exploration Agency
• KANUPP: Karachi Nuclear Power Plant
• KAPCO: Kot Adu Power Company
• kHz: Kilohertz
• KV: Kilo Volt
• kW: Kilowatt
• KWh: Kilo Watt Hour

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• LAN: Local Area Network
• LASER: Light Amplification by Stimulated emission of Radiation
• LCD: Liquid Crystal Display
• LDL: Low Density Lipoprotein
• LED: Light emitting Diode
• LONAR: Long Range Navigation
• LPG: Liquefied Petroleum Gas
• MAF: Million Acre Feet
• MASER: Microwave Amplification by Stimulated Emission of Radiation
• MCAT: Medical Colleges Admission Test
• MCV: Mean Corpuscular Volume
• MDS: Master In Dental Surgery
• MeV: Mega Electron Volt/ Million Electron Volt/ Multi-experiment Viewer
• MNP: Mobile Number Probability
• MRBM: Medium Range Ballistic Missile
• MRCP: Member Of Royal College Of Physicians
• MRCS: Member Of Royal College Of Surgeons
• MRI: Magnetic Resonance Imaging
• MS: Medical Superintendent
• MSN: Microsoft Network
• MW: Megawatt
• NADRA: National Database And Registration Authority
• NEPRA: National Electric Power Regulatory Authority
• NM: Nautical Mile
• NMD: National Missile Defence
• NPN: Negative Positive Negative
• NPT: Non-Nuclear Proliferation Treaty
• NRA: Nuclear Regulatory Authority
• NTP: Network Time Protocol/ Normal Temperature and Pressure
• NWD: Nation Wide Dialling
• OGDC: Oil And Gas Development Corporation
• OGRA: Oil And Gas Regulatory Authority
• PEMRA: Pakistan Electronic Media Regulatory Authority
• pm: Post Meridiem
• PNP: Purine Nucleoside Phosphorylase
• PTA: Pakistan Telecommunication Authority
• PTFE: Poly Tetra Fluoro Ethylene
• PVC: Poly vinyl Chloride
• RADAR: Radio Detection and Ranging
• RADAR: Radio Detection And Ranging
• RAM: Random Access Memory
• RBC: Red Blood Cells/Corpuscles
• RNA: Ribonucleic Acid
• ROM: Read Only Memory
• RQ: Respiratory Quotient
• SALT: Strategic Arms Limitation Talks
• SARS: Severe Acute Respiratory Syndrome
• SLV: Satellite Launch Vehicle
• SMS: Short Message Service
• SNGPL: Sui Northern Gas Pipelines Limited
• SONAR: Sound Navigation And Ranging
• SONAR: Sound Navigation And Ranging
• SSGPL: Sui Southern Gas Pipeline Limited
• STD: Subscriber’s Trunk Dialling
• STM: Subscriber Identification
• STP: Standard Temperature And Pressure/Shielded Twisted Pair/Sodium Tripolyphosphate/Spanning Tree Protocol
• SUPARCO: Space And Upper Atmosphere Research Committee (Pakistan)
• TB: Tubercle Bacillus/ Tuberculosis
• TNT: Tri Nitro Toluen
• UHF: Ultra High Frequency
• UHF: Ultra High Frequency
• UNAEC: United Nations Atomic Energy Commission
• UNESCO: United Nations Education, Scientific And Cultural Organisation
• VCD: Video Compact Disc
• VHF: Very High Frequency
• WAN: Wide Area Network
• WAN: Wide Area Network
• WAP: Wireless Application Protocol
• WAPDA: Water And Power Development Authority
• WHO: World Health Organisation
• WMD: Weapons Of Mass Destruction
• WWF: World Wildlife Fund
• WWW: World Wide Web
• ZPG: Zero Population Growth