| Acronym | Meaning |
| HEAS | Health Effects Assessments |
| ABA | Abscisic Acid |
| SPARC | Stratospheric Processes And Their Role In Climate |
| OSAC | Organic Structures Accessed By Computer |
| AFOE | Advanced Fiber Optic Echelle Spectrometer |
| PMF | Progressive Massive Fibrosis |
| J(Z)CCS | J(z) Conserving Centrifugal Sudden Approximation (in Molecular Collisions |
| CODATA | Committee On Data For Science And Technology |
| CV | Core-valence Correlation |
| OAQPS | Office Of Air Quality Planning And Standards |