hydronaut
[ hahy-druh-nawt, -not ]
/ ˈhaɪ drəˌnɔt, -ˌnɒt /
noun
a person trained to work in deep-sea vessels for research and rescue purposes.
Origin of hydronaut
An Americanism dating back to 1965–70;
hydro-1 +
(aero)naut
Words nearby hydronaut
hydromphalus,
hydromulch,
hydromyelia,
hydromyelocele,
hydromyoma,
hydronaut,
hydronephrosis,
hydronic,
hydronitrogen,
hydronium ion,
hydropac
British Dictionary definitions for hydronaut
hydronaut
/ (ˈhaɪdrəʊˌnɔːt) /
noun
US navy
a person trained to operate deep submergence vessels
Word Origin for hydronaut
C20: from Greek, from
hydro- +
-naut, as in
aeronaut, astronaut