Meaning & use

aquanaut

noun·Advanced

A person trained to live and work underwater, especially for extended periods in an underwater habitat.

See it in a sentence

The aquanaut spent two weeks in the underwater laboratory studying coral reefs.

Becoming an aquanaut requires extensive training in diving and marine science.

A note on using this word

Aquanaut is modeled on astronaut, replacing outer space with the undersea environment.

Words with a similar meaning

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