• synonyms


[ahy-suh-hahy-uh t]
noun Meteorology.
  1. a line drawn on a map connecting points having equal rainfall at a certain time or for a stated period.
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Origin of isohyet

1895–1900; iso- + -hyet < Greek hyetós rain
Related formsi·so·hy·et·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for isohyetal

Historical Examples of isohyetal

  • Isohyetal, ī-so-hī′e-tal, n. an imaginary line connecting places which have an equal annual rainfall.

    Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)


British Dictionary definitions for isohyetal


  1. a line on a map connecting places having equal rainfall
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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


  1. 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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.