| Acronym | Meaning |
| NSDL | National Science Digital Library |
| FTS | Fourier Transform Spectroscopy |
| LCHOP | Linear Combination (of) Harmonic Oscillator Products |
| ARAMS | Advanced Regional Atmospheric Modeling System |
| FPC | Fractional Parentage Coeff. (in Group-theor. Calcns.) |
| DIET | Desorption Induced By Electronic Transitions |
| CDCCC | Centrifugal Droplet Countercurrent Chromatography |
| CSHIB | Chemical Safety And Hazard Investigation Board |
| AAW | Air Acetylene Welding |
| VHMS | Volcanic-hosted Massive Sulfide |