law of reciprocal proportions


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to law of reciprocal proportions: law of multiple proportions

law of re·cip·ro·cal pro·por·tions

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.

law of reciprocal proportions

In chemistry, the proportions in which two elementary bodies unite with a third one are simple multiples or simple fractions of the proportions in which these two bodies unite with each other.
See also: law