See more synonyms for hyetal on Thesaurus.com

Origin of hyetal

First recorded in 1860–65; hyet- + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for hyetal

moist, damp, stormy, wet, hyetal, pluvial, pluvious, showery

British Dictionary definitions for hyetal


  1. of or relating to rain, rainfall, or rainy regions

Word Origin for hyetal

C19: from Greek huetos rain + -al 1
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

hyetal in Science


  1. Relating to rain or rainy regions, used especially in regard to isohyetal rainfall maps.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.