bathythermograph

noun
bathy·​ther·​mo·​graph | \ ˈba-thi-ˈthər-mə-ˌgraf How to pronounce bathythermograph (audio) \

Definition of bathythermograph

: an instrument designed to record water temperature as a function of depth

First Known Use of bathythermograph

1938, in the meaning defined above

History and Etymology for bathythermograph

bathy- + thermograph

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The first known use of bathythermograph was in 1938

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Cite this Entry

“Bathythermograph.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/bathythermograph. Accessed 8 December 2019.

More from Merriam-Webster on bathythermograph

Britannica.com: Encyclopedia article about bathythermograph

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