| S. No | Abbreviation |
| 1 | ADH stand for Antidiuretic Hormone |
| 2 | AIDS stand for Acquired Immune Deficiency Syndrome |
| 3 | AMU stand for Atomic Mass Unit |
| 4 | AWACS stand for Airborne Warning and Control System |
| 5 | BASIC stand for Beginner’s All Purpose Symbolic Instruction Code |
| 6 | BCG stand for Bacillus Calmette-Guerin |
| 7 | BTU stand for British Thermal Unit |
| 8 | CCTV stand for Closed-Circuit Television |
| 9 | CFC stand for Chloro Fluoro Carbon |
| 10 | CNG stand for Compressed Natural Gas |
| 11 | CNS stand for Central Nervous System |
| 12 | CRO stand for Cathode-Ray Oscilloscope |
| 13 | CRT stand for Cathode Ray Tube |
| 14 | DDT stand for Dichloro Diphenyl Trichloroethane |
| 15 | DNA stand for Deoxyribonucleic Acid |
| 16 | EMF stand for Electromotive Force |
| 17 | FBTR stand for Fast Breeder Test Reactor |
| 18 | ICU stand for Intensive Care Unit |
| 19 | LASER stand for Light Amplification by Stimulated Emission of Radiation |
| 20 | LCD stand for Liquid Crystal Display |
| 21 | LED stand for Liquid Emitting Diode |
| 22 | LNG stand for Liquefied Natural Gas |
| 23 | LORAN stand for Long Range Navigation |
| 24 | LPG stand for Liquefied Petroleum Gas |
| 25 | MASER stand for Microwave Amplification by Stimulated Emission of Radiation |
| 26 | PVC stand for Polyvinyl Chloride |
| 27 | RADAR stand for Radio Detection and Ranging |
| 28 | RNA stand for Ribose Nucleic Acid |
| 29 | SARS stand for Severe Acute Respiratory Syndrome |
| 30 | SONAR stand for Sound Navigation and Ranging |
| 31 | STAR stand for Satellite for Telecommunication Applications and Research |
| 32 | STP stand for Standard Temperature and Pressure |
| 33 | TB stand for Tuberculosis |
| 34 | TFT stand for Thin Film Transistor |
| 35 | TNT stand for Tri Nitro Toulene |