DIVING GLOSSARY · Underwater science

Nitrox

A nitrogen-and-oxygen breathing mixture; recreational enriched-air nitrox has more oxygen than ordinary air and requires appropriate training.

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Definitions are a starting point. These lessons connect the word to examples, illustrations and further reading.

Underwater science

Breathing gases are not interchangeable

Recognise why a gas name implies training and limits.

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Introductory definition · Instructor review pending.