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Definition of allergen noun from the Oxford Advanced Learner's Dictionary

allergen

noun
 
/ˈælədʒən/
 
/ˈælərdʒən/
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  1. a substance that causes an allergyTopics Health problemsc2
    Word Originearly 20th cent.: blend of allergy and -gen.
See allergen in the Oxford Advanced American DictionarySee allergen in the Oxford Learner's Dictionary of Academic English
Check pronunciation: allergen

Nearby words

trait
noun
 
 
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