Etymology
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bathyscaphe (n.)

"diving apparatus for reaching great depths," 1947, a name coined by its inventor, Swiss "scientific extremist" Prof. Auguste Piccard, from Greek bathys "deep" (see benthos) + skaphē "light boat, skiff" (see scaphoid).

updated on January 16, 2022

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Definitions of bathyscaphe from WordNet

bathyscaphe (n.)
navigable deep diving vessel for underwater exploration;
Synonyms: bathyscaph / bathyscape
From wordnet.princeton.edu, not affiliated with etymonline.