Allergy Meaning
/ˈæl.əɹ.d͡ʒi/Definition, CEFR level B2, pronunciation, examples, and quiz.
Definition
nounA 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.
nounA 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.
Sentence Examples
Word Origin & History
Etymology tree Proto-Indo-European *h₂el- Proto-Indo-European *h₂élyos Proto-Hellenic *áľľos Ancient Greek ᾰ̓́λλος (ắllos) Proto-Indo-European *werǵ- Proto-Indo-European *-om Proto-Indo-European *wérǵom Proto-Hellenic *wérgon Ancient Greek ἔργον (érgon) German Allergiebor. English allergy 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.