DIVING GLOSSARY · Learning
Scuba
Underwater diving with a self-contained breathing-gas supply.

Explore the idea in context
Definitions are a starting point. These lessons connect the word to examples, illustrations and further reading.
Getting started
Scuba, snorkelling and freediving
Distinguish three ways people explore the water.
Read lesson →Know your equipment
What a snorkel does
Describe the surface role of a snorkel.
Read lesson →Introductory definition · Instructor review pending.