allergy
- Noun. (pathology, immunology) A disorder of the immune system causing adverse reactions to substances (allergens) not harmful to most and marked by the body's production of histamines and associated with atopy, anaphylaxis, and asthma.
- Noun. (pathology) Any condition of hypersensitivity to a substance.
- Noun. Altered susceptibility to a first treatment as exhibited in reaction to a subsequent one.
- Noun. (informal) An antipathy, as toward a person or activity.
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This entry was last updated on RefTopia from its source on 3/20/2012.