Search Result for "type iv allergic reaction":
Wordnet 3.0

NOUN (1)

1. an allergic reaction that becomes apparent only hours after contact;
[syn: delayed allergy, type IV allergic reaction]



WordNet (r) 3.0 (2006):

type IV allergic reaction
    n 1: an allergic reaction that becomes apparent only hours after
         contact [syn: delayed allergy, type IV allergic
         reaction]