heat rash

noun

: prickly heat

Examples of heat rash in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To relieve heat rash, remove the sticky outfit and dress them in loose cotton clothes (or simply a diaper), and apply cornstarch baby powder to the affected areas. — Nancy Mattia, Parents, 8 July 2026 Milder symptoms in infants include heat rashes in their diaper area, irritability, and crying. — Miranda Jeyaretnam, Time, 23 June 2026 People may experience a sunburn, a heat rash or heat cramps, with signs including muscle pain and spasms. — Mary Kekatos, ABC News, 18 June 2026 Her lipstick, her sneakers, and yes, her heat rash-inducing sweaters. — Bethy Squires, Vulture, 11 Apr. 2026 See All Example Sentences for heat rash

Word History

First Known Use

1887, in the meaning defined above

Time Traveler
The first known use of heat rash was in 1887

Rhymes for heat rash

See All Rhymes for heat rash

Browse Nearby Words

heat pump
heat rash
heat ray
See all Nearby Words

Cite this Entry

“Heat rash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20rash. Accessed 12 Jul. 2026.

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Kids Definition

heat rash

noun
: prickly heat

Medical Definition

heat rash

noun
: prickly heat
Last Updated: - Updated example sentences
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