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panic attack

American  

noun

Psychiatry.

  1. an intense attack of anxiety characterized by feelings of impending doom and trembling, sweating, pounding heart, and other physical symptoms.

panic attack British  

noun

  1. an episode of acute and disabling anxiety associated with such physical symptoms as hyperventilation and sweating See also panic disorder

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.