a) The state or quality of being irritable; quick excitability; petulance; fretfulness; as, irritability of temper.
b) 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.

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  • 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… …   The Collaborative International Dictionary of English

  • irritability — (n.) 1755, from IRRITABLE (Cf. irritable) + ITY (Cf. ity) …   Etymology dictionary

  • Irritability — This article is about the medical condition. For the webcomic, see Irritability (webcomic). Irritability ICD 10 R45.4 ICD 9 799.2 Irritability is an excessive response to stimuli. The term is used for …   Wikipedia

  • irritability — /ir i teuh bil i tee/, n., pl. irritabilities. 1. the quality or state of being irritable. 2. Physiol., Biol. the ability to be excited to a characteristic action or function by the application of some stimulus: Protoplasm displays irritability… …   Universalium

  • irritability — The property inherent in protoplasm of reacting to a stimulus. [L. irritabilitas, fr. irrito, pp. atus, to excite] electric i. the response of a nerve or muscle to the passage of a current of electricity; in cases of degeneration in nerve or mus …   Medical dictionary

  • irritability — n. (in physiology) the property of certain kinds of tissue that enables them to respond in a specific way to outside stimuli. Irritability is shown by nerve cells, which can generate and transmit electrical impulses when stimulated appropriately …   The new mediacal dictionary

  • irritability — jaudrumas statusas T sritis fizika atitikmenys: angl. excitability; irritability vok. Erregbarkeit, f; Reizbarkeit, f rus. возбудимость, f; раздражимость, f; раздражительность, f pranc. excitabilité, f; irritabilité, f …   Fizikos terminų žodynas

  • irritability — jautrumas statusas T sritis ekologija ir aplinkotyra apibrėžtis Organizmo ar receptoriaus gebėjimas reaguoti į įvairaus stiprumo dirgiklį ir jo pokyčius. atitikmenys: angl. irritability; sensitiveness; sensitivity vok. Empfindlichkeit, f;… …   Ekologijos terminų aiškinamasis žodynas

  • irritability — dirglumas statusas T sritis Kūno kultūra ir sportas apibrėžtis Viso organizmo, organų, audinių arba ląstelių reagavimas į aplinkos poveikį (dirgiklius) fiziologinės būklės pokyčiu. atitikmenys: angl. irritability vok. Reizbarkeit, f rus.… …   Sporto terminų žodynas

  • irritability — dirglumas statusas T sritis augalininkystė apibrėžtis Ląstelės arba organizmo sugebėjimas pajusti išorinės aplinkos poveikius. atitikmenys: angl. irritability rus. раздражимость …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

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