bathysphere(redirected from Bathy sphere)
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A deep-sea research and exploration vessel consisting of a spherical chamber in which persons are lowered by a cable from a ship at the surface.
(Physical Geography) a strong steel deep-sea diving sphere, lowered by cable
a spherical diving apparatus from which to study deep-sea life.
A spherical diving chamber in which people are lowered on a cable to explore the ocean depths.
Oceanography. a spherical diving apparatus from which to study deep-sea life.See also: Depth