Longman Dictionary of Contemporary English homepage

Topic: ILLNESS AND DISABILITY

irritant

 noun
     
ir‧ri‧tant [countable]
1 formal something that keeps annoying you over a period of time:
Low flying aircraft are a constant irritant in this area.
2MI a substance that can make a part of your body painful and sore:
a skin irritant
Definition of irritant from the Longman Dictionary of Contemporary English within
the topic ILLNESS AND DISABILITY
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