| Acronym | Meaning |
| AOSTH | Adventures Of Sonic The Hedgehog |
| TM | Technical Manual - Theatre Missile - Thematic Mapper -trademark (often Written In Small Superscript Type: TM Or ?) -Turing Machine -Turkmenistan (ISO 3166 Digram) |
| HOTT OR HOTT | Hordes Of The Things (miniature Fantasy Wargaming Rules; A Play On The Lord Of The Rings) |
| EEC | European Economic Community (predecessor Of The EU) |
| QED | Quantum Electrodynamics -quid Es Demonstrata Or Quod Erat Demonstrandum (Latin |
| SVM | Support Vector Machine (artificial Intelligence) |
| YD | People's Democratic Republic Of Yemen (ISO 3166 Digram |
| ELSS | Emergency Life Support Stores |
| YT | Mayotte (ISO 3166 Digram) - Yottatesla - Yukon Territory (postal Symbol) |
| YMMV | Your Mileage May Vary |