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Definition of Law of definite proportions
1. Noun. (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight.
Generic synonyms: Law, Law Of Nature
Category relationships: Chemical Science, Chemistry
Medical Definition of Law of definite proportions
1. The relative weights of the several elements forming a chemical compound are invariable. Synonym: Proust's law. (05 Mar 2000)
Lexicographical Neighbors of Law Of Definite Proportions
Literary usage of Law of definite proportions
Below you will find example usage of this term as found in modern and/or classical literature:
1. Elements of Chemistry: Theoretical and Practical by William Allen Miller (1877)
"It is this law of definite proportions which gives value to analysis, by affording
certainty and uniformity to its results. Mere mechanical intermixture is ..."
2. The Principles of Theoretical Chemistry: With Special Reference to the by Ira Remsen (1892)
"Law of Definite Proportions.—The first fundamental law governing all transformations
of ... Next in order of discovery came the law of definite proportions. ..."
3. New Conversations on Chemistry: Adapted to the Present State of that Science by Thomas P. Jones, Marcet (Jane Haldimand) (1832)
"I think I now understand this law of definite proportions very well, so far as
it regards the union of the gases, as of oxygen with hydrogen, ..."
4. A Textbook in the Principles of Science Teaching by George Ransom Twiss (1917)
"The law of definite proportions. — Instead of giving the law of definite proportions
dogmatically at the beginning of the course, it will be found to be ..."
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