Search Result for "law of conservation of matter":
Wordnet 3.0

NOUN (1)

1. a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system;
[syn: conservation of mass, conservation of matter, law of conservation of mass, law of conservation of matter]



WordNet (r) 3.0 (2006):

law of conservation of matter
    n 1: a fundamental principle of classical physics that matter
         cannot be created or destroyed in an isolated system [syn:
         conservation of mass, conservation of matter, law of
         conservation of mass, law of conservation of matter]