Scuba diving

Scuba diving

Underwater diving in which the diver uses scuba gears to breathe underwater.

Industry: Sports

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Scuba diving

Eustachian tube

Sports; Scuba diving

A short tube connecting the back of the nose to the middle ear. If clogged, by mucus, equalisation is next to impossible.

Decompression illness (DCI)

Sports; Scuba diving

A term to encompass all bubble-related problems arising from decompression, including both decompression sickness and arterial gas embolism.

Algorithm

Sports; Scuba diving

A set of equations incorporated into diving computers in order to compute nitrogen uptake and elimination from changes in depth and elapsed time.

Mixed gas

Sports; Scuba diving

Any non-air mixture (e.g., nitrox), although some authors use the term only for mixes that contain a gas in addition to (or in place of) nitrogen (e.g., helium).

Computer

Sports; Scuba diving

A device that monitors nitrogen in the body during a dive though mathematical algorithms. The device allows divers to multilevel dive and extend bottom time beyond what a dive table allows.

Hydro

Sports; Scuba diving

The common term for the hydrostatic test required on scuba cylinders every five years to determine whether the tank walls are still strong enough for safe usage.