hydronaut

[ hahy-druh-nawt, -not ]

noun

1. a person trained to work in deep-sea vessels for research and rescue purposes.

hydronaut

/ ˈhaɪdrəʊˌnɔːt /

noun

1. navy a person trained to operate deep submergence vessels

Word History and Origins

Origin of hydronaut¹

An Americanism dating back to 1965–70; hydro- ¹ + (aero)naut

Word History and Origins

Origin of hydronaut¹

C20: from Greek, from hydro- + -naut, as in aeronaut, astronaut

Example Sentences

On Monday, it was piloted by Anatoly Sagalevich, the director of the technical council of the preservation foundation, who invited Cameron on his first visit to Lake Baikal and gave him a hardy "hydronaut's" watch.

From Reuters