English dictionary



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English noun: hypersensitivity reaction

1. hypersensitivity reaction (state) an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock


Broader (hypernym)hypersensitivity


Narrower (hyponym)allergic reaction, allergic rhinitis, allergy, anaphylaxis, hives, nettle rash, urticaria, urtication









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