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1. (adj.) irritant
tending to cause irritation; irritating.
2. (n.) irritant
anything that irritates.
3. irritant
a biological, chemical, or physical agent that stimulates a characteristic function or elicits a response, esp. an inflammatory response.
Etymology: (1630–40; < L)
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| Definition of 'irritant' |
Princeton's WordNet |
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1. (noun) irritant, thorn
something that causes irritation and annoyance
"he's a thorn in my flesh"
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| Definition of 'irritant' |
Webster Dictionary |
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1. (adj) irritant
rendering null and void; conditionally invalidating
2. (adj) irritant
irritating; producing irritation or inflammation
3. (noun) irritant
that which irritates or excites
4. (noun) irritant
any agent by which irritation is produced; as, a chemical irritant; a mechanical or electrical irritant
5. (noun) irritant
a poison that produces inflammation
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| Alternative search options for 'irritant' |
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Definitions of irritant 
