irritant

[ir-i-tnt]

ir·ri·tant

[ir-i-tnt]
adjective
1.
tending to cause irritation; irritating.
noun
2.
anything that irritates.
3.
Physiology, Pathology. a biological, chemical, or physical agent that stimulates a characteristic function or elicits a response, especially an inflammatory response.

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Irritant is always a great word to know.
So is bile. Does it mean:
a bitter, alkaline, yellow or greenish liquid, secreted by the liver, that aids in absorption and digestion
noting or pertaining to a situation in which one organ performs part of the functions normally performed by another

Origin:
1630–40; < Latin irrītant- (stem of irrītāns), present participle of irrītāre to irritate; see -ant

ir·ri·tan·cy, noun
non·ir·ri·tan·cy, noun
non·ir·ri·tant, adjective
un·ir·ri·tant, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
irritant (ˈɪrɪtənt)
 
adj
1.  causing irritation; irritating
 
n
2.  something irritant
 
'irritancy
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

irritant ir·ri·tant (ĭr'ĭ-tənt)
adj.
Causing irritation, especially physical irritation. n.
A source of irritation.

The American Heritage® Stedman's Medical Dictionary
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