| Acronym | Meaning |
| API | Atmosheric Pressure Ionization |
| NLLAP | National Lead Laboratory Accreditation Program |
| BHRA | British Hydromechanics Research Association |
| FGDIS | Flue Gas Desulfurization Information System |
| TAPPI | Technical Association Of The Pulp And Paper Industry |
| AES | American Electroplating Society |
| CARES | Ceramic Analysis And Reliability Evaluation Of Structures |
| FP-MC | Finite Perturbation-multiconfigurational Method |
| LCCW | Linear Combination Of Configurational Wave Functions |
| GOSAT | Greenhouse Gas Observing Satellite |