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单词 atomic hypothesis
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atomic hypothesis
atomic hypothesis n. History of Science the hypothesis that matter consists of minute indivisible particles, the nature of which determines the properties of each substance; spec. the form of this developed from the ideas of John Dalton c1803 (cf. Daltonian adj.), according to which all the atoms of a chemical element are identical, and different from those of every other element; cf. atomic theory n.
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1738 W. Warburton Divine Legation Moses I. iii. iv. 398 One of the first, as well as the noblest Systems of Physics, is the Atomic Hypothesis, as it was revived by Des Cartes.
1853 W. Gregory Inorg. Chem. (ed. 3) 21 According to the atomic hypothesis..matter is composed of certain minute, indivisible particles, or atoms; and consequently cannot be divided infinitely.
1880 E. Cleminshaw tr. C. A. Wurtz Atomic Theory 330 Thermo-chemical facts agree perfectly with the atomic hypothesis.
2000 P. Maddy Naturalism in Math. ii. vi. 135 Though the notion that matter is composed of tiny particles goes back to the Greeks, the beginning for the modern atomic hypothesis was Dalton's experimental work in the first decade of the nineteenth century.
extracted from atomicadj.n.
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