hygrograph

noun
hy·​gro·​graph | \ ˈhī-grə-ˌgraf How to pronounce hygrograph (audio) \

Definition of hygrograph

: an instrument for recording automatically variations in atmospheric humidity

First Known Use of hygrograph

circa 1864, in the meaning defined above

History and Etymology for hygrograph

International Scientific Vocabulary

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The first known use of hygrograph was circa 1864

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Cite this Entry

“Hygrograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hygrograph. Accessed 24 Nov. 2020.

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