Glossary of Scuba Diving Terms (G)

Understanding That Strange Scuba Language

Welcome to our glossary of scuba diving terms. Diving, like many sports, has its own language. Our scuba glossary is for anyone interested in understanding the scuba diving definitions, scuba diving terms or scuba slang found in this strange scuba communication that divers use.

Our scuba glossary is easy to use. Just click on the letter that corresponds to the first letter of the word that you are looking for. All the words that begin with that letter will be displayed.

We will be constantly adding new terms to our scuba glossary. If you think we have missed a term or you can not find the scuba diving information you are looking for, please let us know. We will add it and the best definition we can find to our glossary of scuba diving terms.

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G

Kitchen on a boat.

See Arterial Gas Embolism (AGE).

A procedure used to determine the percentage of gas in a breathing mixture. It is normally used to determine the percentage of oxygen to within 1 %, to control the effects of oxygen toxicity. Most diving operations analyze for oxygen only. In Trimix's, it is be best to analyze for the inert gases as well.

Laws that predict how gases will behave with changes in pressure, temperature and volume.

Gas saturation occurs when the level of dissolved gas in a particular body tissue has reached its maximum.

The surrounding water pressure measured by a gauge that does not take atmospheric pressure into account.

The most widely used method of entering water from a boat or pier. A standing diver takes a large step into the water while securely holding their mask, tucking their chin and bringing their fins quickly together for a controlled, feet first descent.

A worldwide navigational system based on a ring of stationary satellites to determine an exact longitude and latitude position. Even small, handheld GPS devices can be used to accurately determine speed and direction of travel and pinpoint dive site locations.