Definition of Irritant

Babylon English Dictionary
causing irritation, causing annoyance; causing inflammation or extreme sensitivity (Medicine)
substance that causes irritation
Search Dictionary
Irritant Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
That which irritates or excites.
  
(n.)
Any agent by which irritation is produced; as, a chemical irritant; a mechanical or electrical irritant.
  
(n.)
A poison that produces inflammation.
  
(a.)
Rendering null and void; conditionally invalidating.
  
(a.)
Irritating; producing irritation or inflammation.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

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. the states elected harry, duke of anjou, for their king, with this clause irritant; that, if he did violate any part of his oath, the people should owe him no allegiance. ayward.
irritant
\ir"ri*tant\, a. [l. irritans, -antis, p. pr. of irritare: cf. f. irritant. see irritate to excite.] irritating; producing irritation or inflammation.
irritant
\ir"ri*tant\, n. [cf. f. irritant.]
1. that which irritates or excites.
2. (physiol. & med.) any agent by which irritation is produced; as, a chemical irritant; a mechanical or electrical irritant.
3. (toxicology) a poison that produces inflammation.


  similar words(2) 



 counter irritant 
 pure irritant 
for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
A mechanical, chemical, or pathological agent of inflammation, pain, or tension
WordNet 2.0

Noun
1. something that causes irritation and annoyance; "he's a thorn in my flesh"
(synonym) thorn
(hypernym) annoyance, bother, botheration, pain, infliction, pain in the neck, pain in the ass
(derivation) annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, vex, chafe, devil
Irritant Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Irritant may refer to:
  • A stimulus or agent which causes irritation
  • Irritant (album), a 2002 psychedelic trance album
  • Irritant (band), a United Kingdom rock musical group
  • Irritant Records, an independent record label

See more at Wikipedia.org...
© This article uses material from Wikipedia® and is licensed under the GNU Free Documentation License and under the Creative Commons Attribution-ShareAlike License
Irritant Definition from Society & Culture Dictionaries & Glossaries
EPA Terms of Environment
A substance that can cause irritation of the skin, eyes, or respiratory system. Effects may be acute from a single high level exposure, or chronic from repeated low-level exposures to such compounds as chlorine, nitrogen dioxide, and nitric acid.
Provided as a public service by the U.S. Environmental Protection Agency
Environmental Engineering (English ver.)
A substance that can cause irritation of the skin, eyes, or respiratory system. Effects may be acute from a single high level exposure, or chronic from repeated low-level exposures to such compounds as chlorine, nitrogen dioxide, and nitric acid.
Irritant Definition from Entertainment & Music Dictionaries & Glossaries
English to Federation-Standard Golic Vulcan
ornat (anc.)
Irritant Definition from Medicine Dictionaries & Glossaries
Hepatitis Central (TM) Liver Disease Medical Glossary
Substance that produces irritation or inflammation of the skin or internal tissue