Glossary of Scuba Diving Terms (F)

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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F

The temperature scale used in the United States. F=(C/.556) +32

A linear unit of measurement (equal to 6 feet) for water depth. Most commonly used on nautical charts. Depth = V x T/2

Stands for feet of fresh water. Measurement of depth in fresh water.

Kicking the feet rhythmically while wearing fins to product forward motion in the water.

The main part of a scuba regulator. The first stage reduces the pressure of the air from the tank to 8-10 bar (140 psi) above ambient pressure. This allows the air to pass to the second stage for breathing by the diver. It is also supplies air to inflate the diver's BCD and to pressure gauges that display the remaining volume of air in the tank.

The part of a closed back fin that covers the whole foot.

An ascent that is preformed without the use of a control ascent line or any other means of a reference point.

A method of entering the water while in full SCUBA gear from a boat or a pier by bending at the knees, firmly securing the mask and rolling forward into the water landing on one's shoulders and tank.

A form of diving in which the diver dose not have an air supply. The diver remains underwater only as long as they can hold their breath.

This means feet of sea water. Measurement of depth in sea water.