law of multiple proportions is a noun meaning "(chemistry) law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount of the other will exhibit a simple multiple relation". It carries one recorded sense.
(chemistry) law stating that when two elements can combine to form more than one compound the amounts of one of them that combines with a fixed amount of the other will exhibit a simple multiple relation
chemistry
Definitions, synonyms and semantic relations for law of multiple proportions come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.