bathyscape

/ˈbæθɪskeɪp/
noun
  1. A small, crewed submersible vehicle used for deep-sea exploration, typically consisting of a spherical cabin attached to a float filled with buoyant liquid.
    • Scientists used a bathyscape to explore the Mariana Trench.
    • The bathyscape descended to the ocean floor to study deep-sea creatures.
    • The museum displayed a model of the historic bathyscape Trieste.
Synonyms
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