[ahy-suh-hahy-uh t]

noun Meteorology.

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
Related formsi·so·hy·et·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for isohyetal

Historical Examples of isohyetal

British Dictionary definitions for isohyetal



a line on a map connecting places having equal rainfall

Word Origin for isohyet

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

isohyetal in Science



A line drawn on a weather map connecting points that receive equal amounts of precipitation during a given period of time.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.