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English definition of “allergy”

allergy

noun [C]     /ˈæl.ə.dʒi/ US  /-ɚ-/
a condition that makes a person become sick or develop skin or breathing problems because they have eaten certain foods or been near certain substances: an allergy to wheat a wheat allergyPoisoning and allergy
(Definition of allergy noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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