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atopy

American  
[at-uh-pee] / ˈæt ə pi /

noun

  1. an allergy, involving an inherited immunoglobulin of the IgE type, that predisposes a person to certain allergic responses, as atopic dermatitis.

atopy British  
/ ˈætəʊpɪ /

noun

  1. immunol a hereditary tendency to be hypersensitive to certain allergens

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of atopy

1920–25; < Greek atopía extraordinariness, equivalent to átop ( os ) out of place, unusual ( a- 6, topo- ) + -ia -y 3

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.