| Acronym | Meaning |
| INIS | International Nuclear Information System |
| WDM | Wavelength Division Multiplexing |
| QFAAS | Quartz Furnace Atomic Absorption Spectrometry |
| FEESP | Field-emitted Electron Spin-polarization |
| ISIS | Industrial Site Information System |
| APEO | Alkylphenol Ethoxylates |
| EMMC | Environmental Monitoring Management Council |
| TDCR | Triple To Double Coincidence Ratio |
| CEPA | Correlated Electron Pair Approxn. |
| BCC | Body Centered Cubic |