Search Result for "law of constant proportion":
Wordnet 3.0

NOUN (1)

1. (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight;
[syn: law of constant proportion, law of definite proportions]



WordNet (r) 3.0 (2006):

law of constant proportion
    n 1: (chemistry) law stating that every pure substance always
         contains the same elements combined in the same proportions
         by weight [syn: law of constant proportion, law of
         definite proportions]