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Definition of Law of multiple proportions
1. Noun. (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.
Exact synonyms: Dalton's Law
Generic synonyms: Law, Law Of Nature
Category relationships: Chemical Science, Chemistry
Generic synonyms: Law, Law Of Nature
Category relationships: Chemical Science, Chemistry
Medical Definition of Law of multiple proportions
1. The relative weights in which two substances form a chemical union singly with a third are the same as, or simple multiples of, those in which they unite with each other; a corollary of the law of definite proportions. Synonym: law of multiple proportions. (05 Mar 2000)