| Acronym | Meaning |
| CCM | Complex Coordinate Method (in Calcns. On Quantum Tunneling) |
| DAL | Defect Action Level |
| STEAM | Stratosphere-Troposphere Exchange And Climate Monitor |
| APCA | Air Pollution Control Association |
| LWIR | Long Wavelength IR |
| BIOS | British Intelligence Objectives Sub-committee |
| AIADC(3) | Ab Initio Third-order Algebraic Diagrammatic Construction Green Function Method |
| TPD | Temperature Programmed Desorption (for Gas Chromatography) |
| NICNAS | National Industrial Chemicals Notification And Assessment Scheme (Australia) |
| CSDP | Continental Scientific Drilling Program |