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aquanaut

[ ak-wuh-nawt, -not, ah-kwuh- ]

noun

  1. an undersea explorer, especially one who skin-dives from or lives for an extended period of time in a submerged dwelling.
  2. a skin-diver.


aquanaut

/ ˈækwənɔːt /

noun

  1. a person who lives and works underwater
  2. a person who swims or dives underwater
“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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Word History and Origins

Origin of aquanaut1

1880–85; aqua- + -naut, on the model of aeronaut, astronaut, etc.
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Word History and Origins

Origin of aquanaut1

C20: from aqua + -naut, as in astronaut

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