| Acronym | Meaning |
| WHH | Width At Half Height [in X-ray Diffraction] |
| EQS | Environmental Quality Standard |
| FBCB | Fixed Bed Circulating Bioreactor (for Wastewater Treatment) |
| HDVV | Heisenberg-Dirac-Van Vleck (Hamiltonian Or Exchange Parameter) |
| MBPM | Maximum Bubble Pressure Method |
| BHT | Butylated Hydroxytoluene |
| HRT | Hormone Replacement Therapy |
| CCD | Carbonate Compensation Depth |
| ADF | Adult T-cell Leukemia-derived Factor |
| AAM | Automated Auger Microprobe |