hot flash

noun

: a sudden brief flushing and sensation of heat caused by dilation of skin capillaries usually associated with menopausal endocrine imbalance

called also hot flush

Examples of hot flash in a Sentence

Recent Examples on the Web
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Commonly used medications for infertility, COPD, asthma, dermatitis, hot flashes and osteoporosis are also included. Melissa Rudy, FOXNews.com, 10 Feb. 2026 Or if your hot flashes are unbearable, your provider might tinker with your dosage. Bonnie Vengrow, Flow Space, 6 Feb. 2026 Indeed, research suggests that being too warm at night raises the risk of a hot flash. Emily Kay Votruba, EverydayHealth.com, 3 Feb. 2026 According to the American College of Obstetricians and Gynecologists, estrogen hormone therapy — which includes estradiol patches — is the most effective treatment for hot flashes and night sweats. Marina Kopf, NBC news, 3 Feb. 2026 See All Example Sentences for hot flash

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of hot flash was in 1907

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Cite this Entry

“Hot flash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hot%20flash. Accessed 10 Feb. 2026.

Medical Definition

hot flash

noun
: a sudden brief flushing and sensation of heat caused by dilation of skin capillaries usually associated with menopausal endocrine imbalance

called also hot flush

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