Scuba diving

Scuba diving

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

Industry: Sports

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Scuba diving

capillary depth gauge

Sports; Scuba diving

Made up of a small tube. Uses Boyle's law to determine depth.

squeeze

Sports; Scuba diving

Pain or discomfort in an enclosed (sinuses, Middle ear, inside a mask), caused by shrinkage of that space, occurs on decent.

Any means by which an alternating increase and decrease in chest volume is artificially created while maintaining an open airway in mouth and nose passages; mouth to mouth, mouth to nose and mouth to ...

saturation diving

Sports; Scuba diving

Diving performed after the body is fully saturated with nitrogen. To become fully saturated the diver must stay under water for a much longer period than is allowed in recreational scuba diving ...

altitude sickness

Sports; Scuba diving

An illness brought on by the sudden reduction in pressure of ascent to altitude.

second stage regulator

Sports; Scuba diving

The regulator that follows, in line, the first stage regulator, and delivers compressed air to the diver. Usually associated with the mouthpiece.

supplied air snorkeling for youth (SASY)

Sports; Scuba diving

BC-like PFD mounted with small compressed air cylinder and regulator that allows snorkeler to breathe comfortably on the surface but prohibits him from descending. SPG submersible pressure gauge. ...