WordReference Random House Unabridged Dictionary of American English © 2025
at•o•py
(at′ə pē),USA pronunciation n.
- Pathology, Immunologyan allergy, involving an inherited immunoglobulin of the IgE type, that predisposes a person to certain allergic responses, as atopic dermatitis.
- Greek atopía extraordinariness, equivalent. to átop(os) out of place, unusual (see a-6, topo-) + -ia -y3
- 1920–25
'atopy' also found in these entries (note: many are not synonyms or translations):