Search Result for "chemical_substance":
Wordnet 3.0

NOUN (1)

1. material produced by or used in a reaction involving changes in atoms or molecules;
[syn: chemical, chemical substance]



WordNet (r) 3.0 (2006):

chemical substance
    n 1: material produced by or used in a reaction involving
         changes in atoms or molecules [syn: chemical, chemical
         substance]