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irritability 音标拼音: [ɪrɪtəb'ɪləti]
n. 易怒,过敏性,兴奋性 易怒,过敏性,兴奋性 irritability n 1: an irritable petulant feeling [ synonym: { irritability}, { crossness}, { fretfulness}, { fussiness}, { peevishness}, { petulance}, { choler}] 2: excessive sensitivity of an organ or body part [ synonym: { excitability}, { irritability}] 3: a disposition to exhibit uncontrolled anger; " his temper was well known to all his employees" [ synonym: { temper}, { biliousness}, { irritability}, { peevishness}, { pettishness}, { snappishness}, { surliness}] Irritability \ Ir` ri* ta* bil" i* ty\, n. [ L. irritabilitas: cf. F. irritabilit[' e].] [ 1913 Webster] 1. The state or quality of being irritable; quick excitability; petulance; fretfulness; as, irritability of temper. [ 1913 Webster] 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. [ 1913 Webster] 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. [ 1913 Webster]
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