bathy·​sphere ˈba-thi-ˌsfir How to pronounce bathysphere (audio)
: a strongly built steel diving sphere for deep-sea observation

Example Sentences

Recent Examples on the Web New visitations of aliens land in former Minneapolis, initiate dune-buggy-and-bathysphere tours of important sites in career of Prince. Ian Frazier, The New Yorker, 14 Oct. 2019 Last weekend, while the police in Moscow forcibly rounded up more than 1,000 anti-Kremlin protesters, the largest such mass detention in years, President Vladimir V. Putin was out on the Baltic Sea, sinking beneath the waves in a bathysphere. New York Times, 2 Aug. 2019 Despite being 44 years old, weighing close to 300 pounds and looking like a bathysphere on legs, Colon is adept at fielding his position, even pulling off the kinds of Globetrotter-esque plays that men half his age would flub. Stephanie Apstein,, 23 Apr. 2018 Although the photographer on Cousteau’s ship went down with just an oxygen tank and a camera, some old-school underwater photographers had to awkwardly squeeze themselves into spherical vessels known as bathyspheres. National Geographic, 14 July 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bathysphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


bathy- + sphere entry 1

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of bathysphere was in 1930

Dictionary Entries Near bathysphere

Cite this Entry

“Bathysphere.” Dictionary, Merriam-Webster, Accessed 20 Mar. 2023.

Kids Definition


bathy·​sphere ˈbath-i-ˌsfi(ə)r How to pronounce bathysphere (audio)
: a strongly built steel ball in which a person can dive to great depth for deep-sea observation

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