| Acronym | Meaning |
 | BFK | Big F*cking Knife (reference To The Diver's Knife) |
| OW | Open Water Certification; First Certification Level. |
| TNT | Total Nitrogen Time |
| DM | Dive Master (PADI) |
| OWI | Open Water Instructor (BSAC) |
| NI | National Instructor (BSAC) |
| SCUDA | Self Contained Underwater Drinking Apparatus. Product That Can Be Used To Drink Underwater. |
| IDEA | International Diving Educators Association; Diving Instruction Organization. |
| AIE | Advanced Instructor Exam (BSAC) |
| ITW | Instructor Training Workshop (BSAC) |
Browse by Letter:
