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irritability

[ir-i-tuh-bil-i-tee] /ˌɪr ɪ təˈbɪl ɪ ti/
noun, plural irritabilities.
1.
the quality or state of being irritable.
2.
Physiology, Biology. the ability to be excited to a characteristic action or function by the application of some stimulus:
Protoplasm displays irritability by responding to heat.
Origin of irritability
1745-1755
From the Latin word irrītābilitās, dating back to 1745-55. See irritable, -ity
Related forms
nonirritability, noun
superirritability, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for irritability
Contemporary Examples
Historical Examples
  • His eccentricity was a combination of absent-mindedness and irritability.

  • The work of vegetation begins first in the irritability of the bark and leaf-buds.

    Essays, First Series Ralph Waldo Emerson
  • It was impressive riding to those who knew the filly's irritability, uncertainty.

    Garrison's Finish W. B. M. Ferguson
  • The irritability of the one active cell subsided, that of the others was aroused.

    The Paliser case Edgar Saltus
  • Did you notice any symptoms of mental disturbance or irritability about him at any time?

    The Shrieking Pit Arthur J. Rees
Word Origin and History for irritability
n.

1755, from irritable + -ity.

Online Etymology Dictionary, © 2010 Douglas Harper
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irritability in Medicine

irritability ir·ri·ta·bil·i·ty (ĭr'ĭ-tə-bĭl'ĭ-tē)
n.

  1. The capacity to respond to stimuli.

  2. Abnormal or excessive sensitivity to stimuli of an organism, organ, or body part.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Word Value for irritability

17
18
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