| Acronym | Meaning |
| CHES | 3-(cyclohexylamino)ethylsulfonic Acid |
| CMC | Ceramic Matrix Composite |
| CHEMTREC | Chemical Transportation Emergency Center |
| CISC | Configuration Interaction (with) Size-consistency (correction) |
| FATES | FIRFA And TSCA Enforcement System (now Known As SSTS) |
| COSHI | Clearinghouse For Occupational Safety And Health Information |
| AESOPS | Antarctic Environment Southern Ocean Process Study |
| BCRU | British Committee On Radiation Units And Measurements |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| PBMS | Photon Burst Mass Spectrometry |