| Acronym | Meaning |
| WWW | World Wide Web |
| ABCM | Assembly (of) Boundary-controlled Monolayers (method For Electronic-structure Calcns.) |
| PWB | Printed Wiring Board |
| UNITAR | United Nations Institute For Training And Research |
| ARAC | Atmospheric Release Advisory Capability |
| CRISM | Compact Reconnaissance Imaging Spectrometer For Mars |
| APGF | Antisymmetrical Product Of Group Functions (a Wave Function) |
| DE | Destruction Efficiency |
| CCPA | Cellular Coherent-potential Approximation (for Electronic Structure Calcns.) |
| FFSHC | Field Federal Safety And Health Councils |