isohyet

noun iso·hy·et \ˌī-sō-ˈhī-ət\

Definition of ISOHYET

: a line on a map or chart connecting areas of equal rainfall

— iso·hy·et·al \-ə-təl\ adjective

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

First Known Use: 1899

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