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
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.
In the late 1990s, more than 1 in 4 postmenopausal women were taking hormones to manage symptoms such as hot flashes, mood swings and night sweats. Brenda Goodman, CNN Money, 2 Oct. 2025 While menopausal symptoms like hot flashes and irregular periods get plenty of attention, hair thinning in menopause is more common than many people realize—and the hormones behind menopause are the same ones that impact hair growth. Korin Miller, Flow Space, 1 Oct. 2025 Research suggests magnesium can improve PMS symptoms, ease hot flashes during menopause, and support bone, muscle, and heart health. Kirstyn Hill, Health, 1 Oct. 2025 In perimenopause, women can experience irregular periods, vaginal dryness, hot flashes, night sweats, mood changes and problems with sleep. Cara Lynn Shultz, PEOPLE, 25 Sep. 2025 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 8 Oct. 2025.

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

More from Merriam-Webster on hot flash

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