| Acronym | Meaning |
| GCDIS | Global Change Data And Information System |
| APP | Acoustic Phase Plate |
| AAAS | American Academy Of Arts And Sciences |
| COH | Coefficient Of Haze |
| SPHINCS | Sequential PHoton Interrogation And Neutron Counting Signatures |
| HCI | Human-Computer Interface |
| CLL | Chronic Lymphocytic Leukemia |
| SESAO | Semiempirical Scaled Atomic Orbital |
| BID | Background Information Document |
| STT | Surface Tension Transfer |