| Acronym | Meaning |
| WWW | World Wide Web |
| NBS | National Bureau Of Standards |
| BAN | British Approved Name (for Drugs) |
| CCM | Complex Coordinate Method (in Calcns. On Quantum Tunneling) |
| DBS | Doppler Broadening Spectroscopy |
| ACRR | Annular Core Research Reactor |
| SPEELS | Spin-polarized Electron Energy Loss Spectroscopy |
| EMU | Electromagnetic Unit |
| CSIA | Compd.-specific Isotope Anal. |
| SWICS | Solar Wind Ion Composition Spectrometer |