Search Result for "delta iron":
Wordnet 3.0

NOUN (1)

1. an allotrope of iron that is stable between 1403 degrees centigrade and the melting point (= 1532 degrees); 



WordNet (r) 3.0 (2006):

delta iron
    n 1: an allotrope of iron that is stable between 1403 degrees
         centigrade and the melting point (= 1532 degrees)