Dictionary

law of definite proportions

Definition of LAW OF DEFINITE PROPORTIONS

:  a statement in chemistry: every definite compound always contains the same elements in the same proportions by weight

First Known Use of LAW OF DEFINITE PROPORTIONS

1830

law of definite proportions

noun law of def·i·nite pro·por·tions \-ˈdef-(ə-)nət-prə-ˈpr-shənz\   (Medical Dictionary)

Medical Definition of LAW OF DEFINITE PROPORTIONS

:  a statement in chemistry: every definite compound always contains the same elements in the same proportions by weight

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May 24, 2015
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