| Acronym | Meaning |
| PTD | Probable Toxic Dose |
| APC | American Plastics Council |
| ECCF | Exchange Correlated Crystal Field |
| LHDAC | Laser Heated Diamond Anvil Cell |
| NWS | National Weather Service |
| TES | Transition-edge Sensor |
| DHS | Double Heterostructure |
| EMAS | Eco-Management & Audit Scheme |
| RPD | Retarding Potential Difference |
| VNTR | Variable No. Of Tandem Repeat |