Scuba diving

Scuba diving

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

Industry: Sports

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Scuba diving

Foramen oval

Sports; Scuba diving

The opening between the left and right atria of the foetal heart which remains open in about 30% of people, allowing passage of bubbles into the arterial circulation which is believed to cause ...

Global positioning system (GPS)

A worldwide system of navigation based on a ring of stationary satellites. Small, even handheld, GPS devices can be used to accurately determine speed and direction of travel, and pinpoint dive site ...

Zoomlens

Sports; Scuba diving

A lens that combines a range of focal lengths.

Cerebral arterial gas embolism (CAGE)

Sports; Scuba diving

Gas bubbles travelling and lodging (embolizing) in the arteries that supply the brain with blood and oxygen. Gas emboli in the brain can lead to a stroke-like condition with disorientation, ...

Atmospheric pressure

Sports; Scuba diving

Pressure of the atmosphere at a given altitude or location.

Low volume mask

Sports; Scuba diving

A mask which has a smaller area between the glass and the diver's face, usually with separate lenses for each eye; requires less air to purge if becomes flooded.

Snuba

Sports; Scuba diving

A surface-supplied compressed air apparatus, for use in shallow diving in calm waters. The air is delivered to one or more divers through a long hose. The word snuba is a combination of snorkel and ...