| Acronym | Meaning |
 | CMAS | Confederation Moniale Des Activities Subaquatiques |
| DSMB | Delayed Surface Marker Buoy |
| TNT | Total Nitrogen Time |
| BFK | Big F*cking Knife (reference To The Diver's Knife) |
| RSTC | Recreational Scuba Training Council. Organization That Sets Basic Guidelines For Scuba Diving Agencies. |
| ATA | Atmospheres Absolute |
| SCUHA | Self-contained Underwater Heating Apparatus (urinating In Your Wet Suit). |
| DAN | Divers Alert Network |
| DCI | Decompression Illness |
| NASDS | National Association Of Scuba Diving Schools; Diving Instruction Organization. |
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