allergen definition, meaning - what is allergen in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “allergen”

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allergen

noun [C] uk   /ˈæl.ə.dʒən/  us   /-ɚ-/ specialized
a substance that can cause an allergy (= condition of the body reacting badly to something) but is not harmful to most people
Translations of “allergen”
in Chinese (Traditional) 過敏原, 變應原(引起過敏反應的物質)…
in Chinese (Simplified) 变应原(引起过敏反应的物质)…
(Definition of allergen from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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