noun at·o·py \ˈa-tə-pē\

Definition of ATOPY

:  a probably hereditary allergy characterized by symptoms (as asthma, hay fever, or hives) produced upon exposure especially by inhalation to the exciting environmental antigen
atop·ic \(ˌ)ā-ˈtä-pik, -ˈtō-\ adjective

Origin of ATOPY

Greek atopia uncommonness, from atopos out of the way, uncommon, from a- + topos place
First Known Use: 1923
Medical Dictionary


noun at·o·py \ˈat-ə-pē\
plural at·o·pies

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
atop·ic \(ˈ)ā-ˈtäp-ik, -ˈtō-pik\ adjective


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