| Acronym | Meaning |
| CHO | Chinese Hamster Ovary |
| AACA | Ambient Atmosphere Conditions And Aging |
| PESM | Photoelectron Spectromicroscopy |
| CP | Chemical Pseudopotential |
| FEF | Forced Expiratory Flow (lung Function) |
| LCAO CO | Linear Combination Of Atomic Orbitals Crystal Orbital |
| PCPI | Permanent Committee On Patent Information |
| CHAPEL | Continuous Hydrogen Analysis By Pressure Evaluation In Liquids |
| ESC | Environmental Stress Cracking |
| DAB | Diaminobenzidine (usually 3,3') |