| Acronym | Meaning |
| ORBIT | On-line Retrieval Of Bibliographic Information Timesharing |
| LFM | Lateral Force Microscopy |
| RBC | Red Blood Cell |
| HTU | Height Of Transfer Unit (in Packed Tower Aeration System) |
| HCI | Human-Computer Interface |
| LWC | Light-weight Coated (paper) |
| FAO | Food And Agriculture Organization |
| VSTA | Virus-Serum-Toxin Act |
| JCPDS | Joint Committee On Powder Diffraction Standards |
| IBSCA | Ion Beam Spectrochemical Analysis |