The list of underwater acronyms and abbreviations.
All underwater related acronyms and abbreviations.
NDL: | No Decompression Limit(Scuba diving, Diving, Underwater) |
NDO: | National Diving Officer(Scuba diving, Diving, Underwater) |
NDS: | No Decompression Stop(Scuba diving, Diving, Underwater) |
NDSTC: | Naval Dive and Salvage Training Centre(Scuba diving, Diving, Underwater) |
NEC: | National Exhibition Centre(Scuba diving, Diving, Underwater) |
NED: | Network of Egghead Divers(Scuba diving, Diving, Underwater) |
NEDU: | Naval Experimental Diving Unit(Scuba diving, Diving, Underwater) |
NERC: | National Environment Research Council(Scuba diving, Diving, Underwater) |
NHC: | National Hyperbaric Centre(Scuba diving, Diving, Underwater) |
NI: | National Instructor(Scuba diving, Diving, Underwater) |
NMRI: | Naval Medical Research Unit(Scuba diving, Diving, Underwater) |
NSB: | Natal Shark Board(Scuba diving, Diving, Underwater) |
NSS: | National Speleological Society(Scuba diving, Diving, Underwater) |
NSS-CDS: | National Speleological Society-Cave Diving Section(Scuba diving) |
OD: | Ocean Diver(Scuba diving, Diving, Underwater) |
OMS: | Ocean Management Systems(Scuba diving, Diving, Underwater) |
OOA: | Out of Air(Scuba diving, Diving, Underwater) |
OS: | O.S. Systems, Inc.(Scuba diving, Diving, Underwater) |
OTT: | Oxygen Tolerance Test(Scuba diving, Diving, Underwater) |
OTU: | Oxygen Toxicity Unit(Dive gear, Scuba diving, Diving) |
For more, try UNDERWATER on ALL ACRONYMS DICTIONARY
| APA | Smart Define. (2018). underwater. Retrieved September 28, 2026, from http://smartdefine.org/underwater/abbreviations/r |
| Chicago | Smart Define. 2018. "underwater" http://smartdefine.org/underwater/abbreviations/r (accessed September 28, 2026). |
| Harvard | Smart Define 2018, underwater, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/underwater/abbreviations/r>. |
| MLA | Smart Define. "underwater" 12 January 2018. Web. 28 September 2026. <http://smartdefine.org/underwater/abbreviations/r> |