atopy

noun
at·​o·​py | \ ˈa-tə-pē How to pronounce atopy (audio) \

Definition of atopy

: a genetic disposition to develop an allergic reaction (such as allergic rhinitis or asthma) and produce elevated levels of IgE upon exposure to an environmental antigen and especially one inhaled or ingested

Other Words from atopy

atopic \ (ˌ)ā-​ˈtä-​pik How to pronounce atopy (audio) , -​ˈtō-​ \ adjective

First Known Use of atopy

1923, in the meaning defined above

History and Etymology for atopy

Greek atopia uncommonness, from atopos out of the way, uncommon, from a- + topos place

Buying Guide

The Reviews team is passionate about cleaning and reviewed the Shark Vertex Pro Vacuum.

Learn More About atopy

Dictionary Entries Near atopy

atopite

atopy

-ator

See More Nearby Entries 

Statistics for atopy

Cite this Entry

“Atopy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atopy. Accessed 30 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for atopy

atopy

noun
at·​o·​py | \ ˈat-ə-pē How to pronounce atopy (audio) \
plural atopies

Medical Definition of atopy

: a genetic disposition to develop an allergic reaction (as allergic rhinitis, asthma, or atopic dermatitis) and produce elevated levels of IgE upon exposure to an environmental antigen and especially one inhaled or ingested

Other Words from atopy

atopic \ (ˈ)ā-​ˈtäp-​ik, -​ˈtō-​pik How to pronounce atopy (audio) \ adjective

More from Merriam-Webster on atopy

Britannica.com: Encyclopedia article about atopy

WORD OF THE DAY

Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!