Definition of Doctrine of definite proportions. Meaning of Doctrine of definite proportions. Synonyms of Doctrine of definite proportions

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Definition of Doctrine of definite proportions

Doctrine of definite proportions
Atomic A*tom"ic, Atomical A*tom"ic*al, a. [Cf. F. atomique.] 1. Of or pertaining to atoms. 2. Extremely minute; tiny. Atomic philosophy, or Doctrine of atoms, a system which, assuming that atoms are endued with gravity and motion, accounted thus for the origin and formation of all things. This philosophy was first broached by Leucippus, was developed by Democritus, and afterward improved by Epicurus, and hence is sometimes denominated the Epicurean philosophy. Atomic theory, or the Doctrine of definite proportions (Chem.), teaches that chemical combinations take place between the supposed ultimate particles or atoms of bodies, in some simple ratio, as of one to one, two to three, or some other, always expressible in whole numbers. Atomic weight (Chem.), the weight of the atom of an element as compared with the weight of the atom of hydrogen, taken as a standard.

Meaning of Doctrine of definite proportions from wikipedia

- reactions and that these occur in definite proportions. This understanding came to be known as the "Law of Constant Proportions". Berzelius was a strict empiricist...
- with the law of definite proportions, the law of multiple proportions forms the basis of stoichiometry. The law of multiple proportions often does not...
- is the most prestigious award of the Royal Society, conferred "for sustained, outstanding achievements in any field of science". It alternates between...
- 1:√5, 1:1.538, and the simple rational proportions of 1:2, 2:3, 5:8 and 5:9 I call clear, intentional and definite. All others are unclear and accidental...
- substances involved were transformed.: 293  Finally, there was the law of definite proportions, established by the French chemist Joseph Proust in 1797, which...
- beautiful object affords to perception and contemplation. His doctrine puts forward the relativity of beauty. Plato, in contrast, recognized that beauty exists...
- The law of definite composition and the law of multiple proportions are the first two of the three laws of stoichiometry, the proportions by which the...
- expression of musical scales in terms of numerical ratios, particularly the ratios of small integers. Their central doctrine was that "all nature consists of harmony...
- with the law of multiple proportions, the law of definite proportions forms the basis of stoichiometry. The law of definite proportions and constant composition...
- similar to Pia's. In 1978, ultraviolet photographs were taken of the shroud. There are no definite historical records concerning the particular shroud currently...