| Acronym | Meaning |
| LSR | Liquid Silicone Rubber |
| D.I. | Direct Injection [of Diesel Engines] |
| SCRAM | EPA Support Center For Regulatory Air Models |
| CAP | Capacity Assurance Plan |
| BIOS | British Intelligence Objectives Sub-committee |
| CIA | Capillary Ion Analysis |
| SOM | Soil Organic Matter |
| DPA | Dipicolinic Acid |
| MPIF | Myeloid Progenitor Inhibitory Factor |
| MFVT | Mixed Flow Vectored Thrust |