Search Result for "insulant": 
Wordnet 3.0

NOUN (1)

1. a material that reduces or prevents the transmission of heat or sound or electricity;
[syn: insulating material, insulant, insulation]



WordNet (r) 3.0 (2006):

insulant
    n 1: a material that reduces or prevents the transmission of
         heat or sound or electricity [syn: insulating material,
         insulant, insulation]