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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 ir·ri·ta·bil·i·ty /ˌɪrətəˈbɪləti/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 ir·ri·ta·bil·i·ty /ˌɪrətəˈbɪlətɪ/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Ir·ri·ta·bil·i·ty n.
 1. The state or quality of being irritable; quick excitability; petulance; fretfulness; as, irritability of temper.
 2. Physiol. A natural susceptibility, characteristic of all living organisms, tissues, and cells, to the influence of certain stimuli, response being manifested in a variety of ways, -- as that quality in plants by which they exhibit motion under suitable stimulation; esp., the property which living muscle possesses, of responding either to a direct stimulus of its substance, or to the stimulating influence of its nerve fibers, the response being indicated by a change of form, or contraction; contractility.
 3. Med. A condition of morbid excitability of an organ or part of the body; undue susceptibility to the influence of stimuli. See Irritation, n., 3.

From: WordNet (r) 2.0

      n 1: an irritable petulant feeling [syn: crossness, fretfulness,
            fussiness, peevishness, petulance, choler]
      2: excessive sensitivity of an organ or body part [syn: excitability]
      3: a disposition to exhibit uncontrolled anger; "his temper was
         well known to all his employees" [syn: temper, biliousness,
          peevishness, pettishness, snappishness, surliness]