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Allergy
//ˈæl.əɹ.d͡ʒi// noun, slang
Definitions
Noun
- 1 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; any condition of hypersensitivity to a substance. broadly
- 2 hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity wordnet
- 3 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; any condition of hypersensitivity to a substance.; Specifically, hypersensitivity of class I in the modern classification thereof: the immunoglobulin E–mediated type. broadly
- 4 An antipathy, as toward a person or activity. figuratively, informal
"He has an allergy to reality TV."
Etymology
Borrowed from German Allergie. Coined by Austrian pediatrician Clemens von Pirquet in 1906 from Ancient Greek ἄλλος (állos, “other”) + ἔργον (érgon, “work, activity”), on the model of Energie.
See also for "allergy"
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