Meaning & use
aquanaut
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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