| Acronym | Meaning |
| PACE | Plasma Assisted Chemical Etching |
| RSR | Rapid Solidification Rate |
| HED | Howardite-eucrite-diogenite (suite Of Achondrite Meteorites) |
| LOI | Limiting Oxygen Index [of Fire Retardant] |
| TD | Thermal Desorption |
| DCN | Document Change Notice |
| AREAL | Atmospheric Research And Exposure Assessment Laboratory |
| PCGC | Parallel Column Gas Chromatography |
| BAER | Brainstem Auditory Evoked Response |
| COC | Cyclic Olefin Copolymers |