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irritant
ir·ri·tant [ írritənt ]


adjective 
Definition:
 
causing irritation: causing irritation, especially physical irritation
[Early 17th century. < Latin irritant-, present participle of irritare "provoke"]

ir·ri·tan·cy noun
ir·ri·tant noun
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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