ir·ri·ta·bil·i·ty /ˌɪrətəˈbɪləti/
易怒,過敏性,興奮性
ir·ri·ta·bil·i·ty /ˌɪrətəˈbɪlətɪ/ 名詞
感應性,應激性,興奮增盛,過敏
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.
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irritability
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]