| Acronym | Meaning |
| AMH | Amharic Language (ISO 639-2 Code) |
| PCL | Passive Coherent Location |
| BCER | British Columbia Electric Railway |
| CDIAC | Carbon Dioxide Information Analysis Center (see-dee-ack) |
| PM | Picometre |
| ASTM | American Society For Testing And Materials |
| ISB | Intermediate Staging Base |
| NWF | National Wildlife Federation |
| FI | Finnish Language (ISO 639-1 Code) |
| HIT | Head Injection Technology |