law of definite proportions

1. 1.

   (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight

   Synonymslaw of constant proportion

   Broaderlaw

   chemistry

Questions about law of definite proportions

What does law of definite proportions mean?

law of definite proportions means "(chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight".

What is another word for law of definite proportions?

Close synonyms include law of constant proportion. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.