alarm reaction

noun Physiology.

the first stage of the general adaptation syndrome, in which the body responds to stress by exhibiting shock.

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well-being, prosperity, or happiness.
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a somewhat prolonged, sharp, shrill cry, as of pain, fear, or surprise.
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Origin of alarm reaction

First recorded in 1935–40

Words nearby alarm reaction

alar spine, alarcón, alaric, alarm, alarm clock, alarm reaction, alarming, alarmist, alarum, alarums and excursions, alary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for alarm reaction

alarm reaction
[ ə-lärm′ ]

n.

The initial stage in the body's response to stressful stimuli, characterized by adaptive physiological changes, such as increased hormonal activity and increased heart rate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.