atopic

[ey-top-ik, uh-top-]

Origin of atopic

First recorded in 1920–25; atop(y) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for atopic

atopic

adjective
  1. immunol of or relating to hereditary hypersensitivity 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

Word Origin and History for atopic
adj.

1923, from atopia (see atopy) + -ic.

Online Etymology Dictionary, © 2010 Douglas Harper