The hereditary habit of develop the classic allergic conditions -- atopic dermatitis, allergic rhinitis (hay-fever), and symptoms of asthma. Atopy involves the ability to produce IgE in response to common environmental proteins including residence dustmite, lawn pollen, and food contaminants. Through the Greek atopos meaning out of place.
1923, created by Edward D. Perry, professor of Greek at Columbia University, on demand of health males, from Greek atopia "unusualness, strangeness, a becoming taken care of," from atopos "out of destination, strange, odd, eccentric," from a-, privative prefix (see a- (3)), + topos "place" (see topos).
a kind of hypersensitivity or allergy in some pets.
an allergic reaction that becomes evident in a sensitized person only mins after contact