| Acronym | Meaning |
| ARC | Accelerating Rate Calorimetry |
| ARCS | Alternative Remedial Contracting Strategy (US EPA) |
| SDWA | Safe Drinking Water Act |
| BRNO | Best Radial Natural Orbital |
| TMC | Titanium Matrix Composite |
| BCSLN-HL(N) | Bardeen-Cooper-Schrieffer-Lipkin-Nogami-Heitler-London(n) (n Is Nth-order MBPT Starting From The Self-consistent HL Model) |
| LADD | Lowest Acceptable Daily Dose |
| VESCF | Variable Electronegativity Self-consistent Field |
| CGRC | Crop Growth Research Chamber |
| NICA | Nonideal Competitive Adsorption |