| Acronym | Meaning |
| IEQ | Indoor Environmental Quality |
| NDE | Nondestructive Evaluation |
| OSF | Odor Safety Factor |
| VOIE | Valence Orbital Ionization Energy |
| BPEO | Best Practicable Environmental Option |
| TRNA | Transfer Ribonucleic Acid |
| PPDS | Physical Property Data Service |
| PERL | Passivated Emitter And Rear Locally Diffused (solar Cells) |
| NISTO | Non-integer Slater-type Orbital |
| CDI | Chronic Daily Intakes |