Search Result for "atopy": 
Wordnet 3.0

NOUN (1)

1. an allergic reaction that becomes apparent in a sensitized person only minutes after contact;
[syn: immediate allergy, atopy, atopic allergy, type I allergic reaction]



WordNet (r) 3.0 (2006):

atopy
    n 1: an allergic reaction that becomes apparent in a sensitized
         person only minutes after contact [syn: immediate
         allergy, atopy, atopic allergy, type I allergic
         reaction]