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
- 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
- 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
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