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Noun: allergy  a-lu(r)-jee
  1. Hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity
    "His peanut allergy required him to carry an epinephrine auto-injector at all times";
    - allergic reaction

Derived forms: allergies

Type of: hypersensitivity reaction

Encyclopedia: Allergy, Asthma and Immunology Research