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Dive Adventures Scuba Glossary is for scuba divers and anyone else interested in scuba diving terminology. To find the scuba glossary term that you are looking for click on the letters below to display the scuba glossary terms that begin with that letter. If you feel that we have missed a term from our scuba glossary or would like a term added to our scuba glossary please contact us so that we can add that term to our scuba glossary. Dive Adventures thanks you for visiting our scuba glossary and helping us to make it better for other scuba divers and those interested in scuba diving terminology Optionally you may select "All Terms" to display the entire list of terms from our scuba glossary database. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All Terms

P PADI Professional Association of Diving Instructors. It is one of the largest certifying agencies. Partial Pressure Pressure exerted by a single component of a gas within a gas mixture, or dissolved in a liquid. Pneumothorax Am abnormal collection of air outside the lining of the lung, between the lung and the chest wall, often a consequence of pressure injuries (barotraumas). Pony Bottle A small scuba cylinder strapped to a divers main tank for emergency use. Pressure Any force exerted over an area. PSI Pounds per square inch, a common measurement of air pressure. Purge Valve Allow masks to be cleared without removal. Allows snorkels to be cleared easily.

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Modified 04/22/2008