| Acronym | Meaning |
 | AA | Assisted Ascent |
| AAS | Alternate Air Source |
| ABT | Actual Bottom Time |
| AD | Adventure Diver (PADI) Advanced Diver (BSAC) |
| ADT | Actual Dive Time |
| AGE | Aterial Gas Embolism |
| AI | Assistant Instructor (PADI) Advanced Instructor (BSAC) |
| AIC | Advanced Instructor Course (BSAC) |
| AIE | Advanced Instructor Exam (BSAC) |
| AMDT | Adjusted Maximum Dive Time |
| AOW | Advanced Open Water |
| ATA | Atmospheres Absolute |
| BC | Bouyancy Compensator |
| BCD | Buoyancy Control Device |
| BFK | Big F*cking Knife (reference To The Diver's Knife) |
| BHA | British Hyperbaric Association |
| BSAC | British Sub-Aqua Club |
| BT | Bottom Time |
| BWRAF | Buoyancy |
| C-CARD | Scuba Diving Certification Card. |
| CAGE | Cerebral Arterial Gas Embolism |
| CCR | Closed Circuit Rebreather |
| CESA | Controlled Emergency Swimming Ascent |
| CMAS | Confederation Moniale Des Activities Subaquatiques |
| CNS | Central Nervous System |
| DAN | Divers Alert Network |
| DCAP | Decompression Computation And Analysis Program |
| DCI | Decompression Illness |
| DCS | Decompression Sickness |
| DEMA | Diving Equipment Manufacturers Association |
| DIN | Deutsches Insitut Fuer Normung |
| DIR | Doing It Right |
| DL | Dive Leader (BSAC) |
| DM | Dive Master (PADI) |
| DO | Dive Officer (BSAC) |
| DPV | Diver Propulsion Vehicle |
| DSMB | Delayed Surface Marker Buoy |
| DV | Demand Valve |
| EAN(X) | Enriched Air Nitrox |
| EAR | Expired Air Resuscitation |
| EFR | Emergency First Response |
| END | Equivalent Narcotic Depth |
| EO | Equipment Officer (BSAC) |
| GMDSS | Global Maritime Distress And Safety System |
| GPS | Global Positioing System |
| HID | High Intensity Discharge |
| HP | High Pressure |
| HPNS | High Pressure Nervous Syndrome |
| HSE | Health And Safety Executive |
| IAND | International Association Of Nitrox Divers |
Browse by Letter:
