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See more synonyms for bathysphere on Thesaurus.com
noun Oceanography.
  1. a spherical diving apparatus from which to study deep-sea life, lowered into the ocean depths by a cable.
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Origin of bathysphere

First recorded in 1925–30; bathy- + -sphere
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for bathysphere

bathyscaphe, bathysphere

Examples from the Web for bathysphere

Historical Examples of bathysphere

  • It was not the grapple hooks from his ship, but chains—chains which the man-armed sharks were wrapping around the bathysphere.

    Astounding Stories, August, 1931


  • It was pried up, and slid off the top of the bathysphere, to crash upon the floor outside.

British Dictionary definitions for bathysphere


  1. a strong steel deep-sea diving sphere, lowered by cable
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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

bathysphere in Science


  1. A hollow, spherical steel diving chamber in which people are lowered by cable from a surface vessel to explore the ocean depths. In 1934 a bathysphere carrying William Beebe and an associate reached a record depth of over 923 m (3,028 ft). Because space in the bathysphere is cramped, dives longer than three-and-a-half hours are intolerable, and it was eventually supplanted by the bathyscaphe.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.