heat rash


Definition of heat rash 

Examples of heat rash in a Sentence

Recent Examples on the Web

Hands swollen, suffering from a heat rash, and past the point of exhaustion, Butler Glenesk was still determined to finish. National Geographic, "What One Woman Learned Trying to Run Across California," 31 May 2018 Because of the sweltering heat, babies often struggle with heat rashes. Bonnie Vengrow, Good Housekeeping, "6 Parenting Tips From Around The World That Only Sound Crazy To Americans," 21 July 2016 All that sweat can cause bigger skin issues, including the dreaded heat rash. Macaela Mackenzie, Allure, "How to Tell If Your Itchy Skin Is Actually Heat Rash This Summer," 2 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heat rash.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of heat rash

1887, in the meaning defined above

Keep scrolling for more

Learn More about heat rash

Statistics for heat rash

Look-up Popularity

Time Traveler for heat rash

The first known use of heat rash was in 1887

See more words from the same year

Keep scrolling for more

More Definitions for heat rash

heat rash


English Language Learners Definition of heat rash

medical : a skin rash that people sometimes get during hot weather

heat rash


Medical Definition of heat rash 

More from Merriam-Webster on heat rash

See words that rhyme with heat rash

Comments on heat rash

What made you want to look up heat rash? Please tell us where you read or heard it (including the quote, if possible).


to reject or criticize sharply

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
True or False

Test your knowledge - and maybe learn something along the way.

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!