| Acronym | Meaning |
| ACCDPPA | Approx. Coupled Cluster With Double Excitations Polarization Propagator Approxn. |
| BPJ | Best Professional Judgement |
| CGTO | Contracted Gaussian-type Orbital |
| NIES | National Institute For Environmental Studies (Japan) |
| DMARD | Disease Modifying Antirheumatic Drug |
| SWNT | Single-wall Nanotube |
| CPEO | Chronic Progressive External Ophthalmoplegia |
| CI-TD-HG | Configuration Interaction Time-dependent Hartree Grid |
| BAZ | Biologically Active Zones |
| NEAR | Near Earth Asteroid Rendezvous |