- of or relating to rain or rainfall.
Origin of hyetal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of or relating to rain, rainfall, or rainy regions
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
- Relating to rain or rainy regions, used especially in regard to isohyetal rainfall maps.
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