Irritation
Irritation Ir`ri*ta"tion, n. [L. irritatio: cf. F. irritation.] [1913 Webster] 1. The act of irritating, or exciting, or the state of being irritated; excitement; stimulation, usually of an undue and uncomfortable kind; especially, excitement of anger or passion; provocation; annoyance; anger. [1913 Webster]

The whole body of the arts and sciences composes one vast machinery for the irritation and development of the human intellect. --De Quincey. [1913 Webster]

2. (Physiol.) The act of exciting, or the condition of being excited to action, by stimulation; -- as, the condition of an organ of sense, when its nerve is affected by some external body; esp., the act of exciting muscle fibers to contraction, by artificial stimulation; as, the irritation of a motor nerve by electricity; also, the condition of a muscle and nerve, under such stimulation. [1913 Webster]

3. (Med.) A condition of morbid excitability or oversensitiveness of an organ or part of the body; a state in which the application of ordinary stimuli produces pain or excessive or vitiated action. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • irritation — [ iritasjɔ̃ ] n. f. • v. 1400; lat. irritatio 1 ♦ État d une personne irritée. ⇒ agacement, colère, énervement, exaspération. Être au comble de l irritation. Une colère sourde « couvait en lui, et une irritation incessante » (Maupassant). 2 ♦… …   Encyclopédie Universelle

  • Irritation — or exacerbation, in biology and physiology, is a state of inflammation or painful reaction to allergy or cell lining damage. A stimulus or agent which induces the state of irritation is an irritant. Irritants are typically thought of as chemical… …   Wikipedia

  • irritation — Irritation. s. f. v. Action de ce qui irrite les humeurs & les membranes. Ce remede purge par irritation. Il signifie aussi L estat des humeurs irritées, Les humeurs sont dans une grande irritation. il ne faut point purger pendant l irritation… …   Dictionnaire de l'Académie française

  • irritation — (n.) early 15c., in reference to sores and morbid swelling, from M.Fr. irritation or directly from L. irritationem (nom. irritatio) incitement, irritation, noun of action from pp. stem of irritare (see IRRITATE (Cf. irritate)) …   Etymology dictionary

  • irritation — Irritation, Irritatio. Irritation de deux ou plusieurs à l encontre les uns des autres, Commissio …   Thresor de la langue françoyse

  • Irritation — (v. lat.), 1) Reizung, vgl. Erethismus; 2) die Aufhebung einer in Folge eines gethanen Gelübdes zu erfüllenden Verbindlichkeit durch den, welchem der Gelobende für seine Person unterworfen ist, od. zu dem er, rücksichtlich des gelobten… …   Pierer's Universal-Lexikon

  • irritation — index aggravation (annoyance), dissatisfaction, instigation, molestation, nuisance, provocation, umbrage …   Law dictionary

  • irritation — [ir΄i tā′shən] n. [L irritatio] 1. the act or process of irritating 2. the fact or condition of being irritated 3. something that irritates 4. Med. an excessive response to stimulation in an organ or part, specif. a condition of soreness or… …   English World dictionary

  • irritation — noun 1 feeling/cause of being irritated ADJECTIVE ▪ considerable (esp. BrE), great, intense, major, some (esp. BrE) ▪ ‘I m not American, I m Canadian,’ he replied with some irritation. ▪ …   Collocations dictionary

  • irritation — [[t]ɪ̱rɪte͟ɪʃ(ə)n[/t]] irritations 1) N UNCOUNT Irritation is a feeling of annoyance, especially when something is happening that you cannot easily stop or control. For the first time Leonard felt irritation at her methods... He tried not to let… …   English dictionary

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