atopy atopite • Atorai · · · Info · Definitions · Synonyms · Characters · · atopy · · Text Latin · · Script 5 · · Length Definitions · · · (noun) an allergic reaction that becomes apparent in a sensitized person only minutes after contact. Synonyms: immediate allergy, atopic allergy, type I allergic reaction. · · Noun Definition 1 Synonyms · · · immediate allergy · · Synonym 1 atopic allergy · · Synonym 2 type i allergic reaction · · Synonym 3 Characters · · a latin small letter a U+0061 o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 y latin small letter y U+0079