| Acronym | Meaning |
| CAM | Crassulacean Acid Metabolism (photosynthetic Pathway) |
| HAO | Hydrogenic Atomic Orbital |
| NAA | Neutron Activation Analysis |
| CLD | Chronic Lung Disease |
| BMR | Basal Metabolic Rate |
| NRPS | Nonribosomal Peptide Synthetase |
| CHORTLE | Carbon-hydrogen Correlation From One-dimensional Polarization-transfer Spectra By Least-squares Analysis |
| FPLMTO | Full-potential Linearized Muffin-tin Orbital |
| STAIRS | Storage And Information Retrieval System |
| MBRSPT | Many-body Rayleigh-Schroedinger Perturbation Theory |