a cutaneous eruption accompanied by a prickling and itching sensation, due to an inflammation of the sweat glands.
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Origin of prickly heat
An Americanism dating back to 1730–40
Also called heat rash.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for prickly heat
a nontechnical name for miliaria
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
Medicine definitions for prickly heat
[ prĭk′lē ]
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.