atopy

noun

at·​o·​py ˈa-tə-pē 

: 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

atopic

(ˌ)ā-ˈtä-pik 

-ˈtō-

adjective

Word History

Etymology

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

First Known Use

1923, in the meaning defined above

Medical Definition

atopy

noun

at·​o·​py ˈat-ə-pē 

plural atopies

: 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

atopic

(ˈ)ā-ˈtäp-ik, -ˈtō-pik 

adjective