| Acronym | Meaning |
| EOT | Equivalent Oxide Thickness |
| LIR | Limiting Infiltration Rate |
| ARAS | Atomic Resonance Absorption Spectroscopy |
| CELISA | Competitive Enzyme-linked Immunoabsorbent Assay |
| CAI | Compression After Impact |
| CCM | Crucible Ceramic Mold |
| ACPR | Annular Core Pulse Reactor |
| FCPC | Full-core Plus Correlation (calcn. Method) |
| RPJ | Radio-frequency Plasma Jet |
| COS | Cosmic Origins Spectrograph |