| Abbreviation | Definition |
|---|---|
| AMRL | AASHTO Materials Reference Laboratory |
| AMRL | Additive Manufacturing Research Laboratory |
| AMRL | Advanced Materials Research Laboratory |
| AMRL | Autonomous Mobile Robotics Laboratory |
| ANCL | Applied Neural Control Laboratory |
| ANCR | Academic Network for Clinical Research |
| ANEL | Armenian National Engineering Laboratories |
| ANIMAL | Automatic Non-linear Image Matching and Anatomical Labeling |
| ANL | Argonne National Laboratory's |
| ANM | Auxiliary Nursing Midwife |
| ANPL | Alquds Nuclear Physics Laboratory |
| ANPL | Applied Nano Photonics Laboratory |
| ANPL | Autonomous Navigation and Perception Laboratory |
| ANTICCP | Anti-cyclic citrullinated peptide |
| ANTIDNAIGG | Anti-double-stranded DNA |
| ANTIHBC | Antibody to hepatitis B core antigen |
| ANTIHCV | Hepatitis C antibodies |
| AOML | Atlantic Oceanographic and Meteorological Laboratories |
| AOML | Atlantic Oceanographic and Meteorological Laboratory |
| AOML | Atlantic Oceanographic Meteorological Laboratory |