isohyet

noun

iso·​hy·​et ˌī-sō-ˈhī-ət How to pronounce isohyet (audio)
: a line on a map or chart connecting areas of equal rainfall
isohyetal adjective

Examples of isohyet in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Powell had drawn an isohyet, a line connecting areas that experience equal volumes of annual rainfall. Johnforristerross, Longreads, 2 July 2018

Word History

Etymology

International Scientific Vocabulary is- + Greek hyetos rain, from hyein to rain; probably akin to Tocharian B swese rain

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of isohyet was in 1899

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Cite this Entry

“Isohyet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isohyet. Accessed 6 Jul. 2026.

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