1. Irritating; causing irritation. 2. Any agent with this action.
- primary i. a substance that causes inflammation and other evidence of irritation, particularly of the skin, on first contact or exposure, or as a reaction to cumulative contacts, not dependent on a mechanism of sensitization.

* * *

ir·ri·tant 'ir-ə-tənt adj causing irritation specif tending to produce inflammation
irritant n something that irritates or excites specif an agent by which irritation is produced <a chemical \irritant>

* * *

any material that causes irritation of a tissue, ranging from nettles (causing pain and swelling) to tear gas (causing watering of the eyes). Chronic irritation by various chemicals can give rise to dermatitis.

* * *

ir·ri·tant (irґĭ-tənt) 1. giving rise to irritation. 2. an agent that produces irritation.

Medical dictionary. 2011.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • irritant — irritant, ante [ iritɑ̃, ɑ̃t ] adj. • 1549; de irriter 1 ♦ Qui irrite, met en colère. ⇒ agaçant, crispant, énervant, exaspérant. Mot, propos irritants. Une discussion irritante. C est irritant d attendre. 2 ♦ Qui détermine de l irritation, de l… …   Encyclopédie Universelle

  • Irritant — Ir ri*tant, n. [Cf. F. irritant.] [1913 Webster] 1. That which irritates or excites. [1913 Webster] 2. (Physiol. & Med.) Any agent by which irritation is produced; as, a chemical irritant; a mechanical or electrical irritant. [1913 Webster] 3.… …   The Collaborative International Dictionary of English

  • Irritant — may refer to:* Something that causes irritation. * Irritant (album), a psychedelic trance album * Irritant (band), a United Kingdom rock musical group * Irritant (biology), a stimulus or agent which induces the state of irritation * Irritant… …   Wikipedia

  • irritant — irritant, ante 1. (i rri tan, tan t ) adj. Terme de jurisprudence. Qui annule.    Condition, clause irritante, celle qui, n étant pas remplie, rendrait l acte nul.    Décret irritant, nom donné aux clauses insérées dans les bulles de la cour de… …   Dictionnaire de la Langue Française d'Émile Littré

  • Irritant — Ir ri*tant, a. [LL. irritants, antis, p. pr. of irritare to make null, fr. L. irritus void; pref. ir not + ratus established.] (Scots Law) Rendering null and void; conditionally invalidating. [1913 Webster] The states elected Harry, Duke of Anjou …   The Collaborative International Dictionary of English

  • Irritant — Ir ri*tant, a. [L. irritans, antis, p. pr. of irritare: cf. F. irritant. See {Irritate} to excite.] Irritating; producing irritation or inflammation. [1913 Webster] …   The Collaborative International Dictionary of English

  • irritant — index aggravation (annoyance) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • irritant — (adj.) 1630s, from L. irritantem (nom. irritans), prp. of irritare (see IRRITATE (Cf. irritate)). As a noun, from 1802 …   Etymology dictionary

  • irritant — ► NOUN 1) a substance that irritates part of the body. 2) a source of continual annoyance. ► ADJECTIVE ▪ causing irritation to the body …   English terms dictionary

  • irritant — [ir′i tənt] adj. [L irritans, prp. of irritare] causing irritation or inflammation n. something that causes irritation irritancy n …   English World dictionary

  • irritant — [[t]ɪ̱rɪtənt[/t]] irritants 1) N COUNT If you describe something as an irritant, you mean that it keeps annoying you. [FORMAL] He said the issue was not a major irritant. Syn: annoyance 2) N COUNT An irritant is a substance which causes a part of …   English dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”