a sudden, temporary sensation of heat experienced by some women during menopause.
Also called hot flush.
Origin
1905-10
British Dictionary definitions for hot flash
hot flush
noun
1.
a sudden unpleasant hot feeling in the skin, caused by endocrine imbalance, esp experienced by women at menopause
hot flash in Medicine
hot flashn. A sudden, brief sensation of heat, often over the entire body, caused by a transient dilation of the blood vessels of the skin and experienced by some menopausal women. Also called hot flush.