hydronaut
[ hahy-druh-nawt, -not ]
noun
a person trained to work in deep-sea vessels for research and rescue purposes.
Origin of hydronaut
1An Americanism dating back to 1965–70; hydro-1 + (aero)naut
Words Nearby hydronaut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for hydronaut
hydronaut
/ (ˈhaɪdrəʊˌnɔːt) /
noun
US navy a person trained to operate deep submergence vessels
Origin of hydronaut
1C20: from Greek, from hydro- + -naut, as in aeronaut, astronaut
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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