atopic

American

[ey-top-ik, uh-top-] / eɪˈtɒp ɪk, əˈtɒp- /

adjective

of or relating to atopy.
ectopic.

atopic British

/ əˈtɒpɪk /

adjective

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

Etymology

Origin of atopic

First recorded in 1920–25; atop(y) + -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In a midstage trial, Pfizer’s tilrekimig achieve efficacy for eczema—also known as atopic dermatitis—with potential to be competitive against Dupixent and placebo-like safety, Citi says.

From The Wall Street Journal • Mar. 12, 2026

Most of the medications included so far treat everyday conditions like atopic dermatitis, migraine, obesity and fertility.

From MarketWatch • Dec. 19, 2025

A Phase 2b trial in patients with moderate to severe atopic dermatitis is ongoing, with data expected in mid-2027, the biopharma company said.

From Barron's • Dec. 8, 2025

Conclusion: COVID-19 vaccination is associated with reduced asthma and other immune-mediated complications in children with atopic dermatitis.

From Science Daily • Nov. 8, 2025

Vaccines currently in development for Staphylococcus aureus infections, including MRSA, might have the side effect of fighting atopic dermatitis, cellulitis and impetigo — maybe even acne.

From Salon • Jul. 12, 2025

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