- a line drawn on a map connecting points having equal rainfall at a certain time or for a stated period.
Origin of isohyet
1895–1900; iso- + -hyet < Greek hyetós rain
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Examples from the Web for isohyetal
Isohyetal, ī-so-hī′e-tal, n. an imaginary line connecting places which have an equal annual rainfall.
- a line on a map connecting places having equal rainfall
C19: from iso- + -hyet, from Greek huetos rain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A line drawn on a weather map connecting points that receive equal amounts of precipitation during a given period of time.
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