| Acronym | Meaning |
| MCC | Marylebone Cricket Club - Mission Control Centre - Movement Control Centre |
| ICRS | International Celestial Reference System |
| RAM | Random Access Memory - Rolling Airframe Missile - Royal Air Maroc |
| RT | PCR -Real Time Polymerase Chain Reaction Or Reverse Transcriptase Polymerase Chain Reaction. Clarified With Real Time RT-PCR Or Reverse Transcriptase RT-PCR Where Appropriate. |
| FAAQ | Frequently Asked And Anticipated Questions (cf. FAQ) |
| CUNY | City University Of New York (CUE-knee) |
| SSRN | Nuclear-Powered Radar Picket Submarine (retired US Navy Hull Classification) |
| LOC | Level Of Operational Capability - Limited Operational Capability - Lines Of Code - Lines Of Communication - See Entry |
| JRE | Java Runtime Environment |
| SMASS | Small Main-Belt Asteroid Spectroscopic Survey |