Glossary of Scuba Diving Terms (E)

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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E

Enriched Air Nitrox. See Nitrox

The layer of warmer water above a thermocline.

A movement of tidal current in a body of water that moves away from shore or down a tidal stream. This tide is flowing out or causing a lower water level.

A circular movement of water, in a relatively limited area. This forms on the side of a main current and may be created at a point where the mainstream passes a projection or meets an opposite current.

The act of "clearing" the ears and sinus cavities until the pressure inside these air spaces is equal to the pressure of. See Valsalva maneuver.

A short tube connecting the back of the nose to the middle ear. This is the tube through which air passes into the inter ear to achieve equalization. If this tube is clogged with mucus, equalization is almost impossible.

A garment worn by divers to prevent decreases in core body temperature and abrasions. There are three categories of exposure suits; wetsuits, semi-dry suit and dry suit. These categories are base on the amount of exposure protection.