| Acronym | Meaning |
| AHS | American Housing Survey |
| USSR | Union Of Soviet Socialist Republics |
| IRC | International Red Cross - International Reply Coupon - Internet Relay Chat |
| BBB | Better Business Bureau - Blood-Brain Barrier |
| BMR | Basal Metabolic Rate ? Bronirovannaya Mashina Razminirovaniya (Russian ????????????? ?????? ?????????????? |
| MTG | Magic: The Gathering |
| DEM | Data Exchange Mechanism - Digital Elevation Model |
| AFRRI | (U.S.) Armed Forces Radiobiology Research Institute |
| AG | Silver (Latin Argentum) |
| TWP | Technical Working Paper |