| Acronym | Definitions |
|---|---|
| ATPase | 1 |
| ATPCO | 1 |
| ATPEX | 1 |
| ATPG | 1 |
| ATR | 18 |
| ATR-FTIR | 1 |
| ATRA | 3 |
| ATRAP | 2 |
| ATRR | 1 |
| ATRS | 4 |
| ATS | 52 |
| ATSC | 4 |
| ATSDR | 1 |
| ATSF | 2 |
| ATSP | 2 |
| ATSR | 2 |
| ATSU | 2 |
| ATT | 9 |
| ATTC | 4 |
| ATTF | 2 |
| ATTIC | 2 |
| ATTIS | 1 |
| ATTLA | 1 |
| ATTM | 2 |
| ATTN | 1 |
| atto | 2 |
| ATTRA | 1 |
| attrib | 2 |
| ATTS | 2 |
| ATU | 5 |
(2071 — 2100 of 2259)