| 单词 | physical atom |
| 释义 | > as lemmasphysical atom physical atom n. now chiefly historical an ultimate component particle of which material substances are composed or into which they may be physically divided (cf. atom n. 3, 4). ΚΠ 1706 Phillips's New World of Words (new ed.) Corpuscles, (in Natural Philosophy) signifie the Particles, smallest Parts, or Physical Atoms of a Body. 1813 Philos. Trans. (Royal Soc.) 103 61 Though the existence of ultimate physical atoms absolutely indivisible may require demonstration, their existence is by no means necessary to any hypothesis here advanced. 1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) v. 147 [Dumas] proposes to designate that description of molecular groups into which bodies are resolved by heat, physical atoms. 1868 Chambers's Encycl. I. 527 What the chemist regards as an atom in his science, may not be an ultimate and indivisible atom in a physical point of view; the chemical atom, though incapable of division as a chemical atom, may still be composed or built up of many physical atoms. 1999 Amer. Hist. Rev. 104 251/2 To eliminate the dualism inherent in Cartesianism, Royer maintained that fluid, expansive physical atoms were the building blocks of both organic and inorganic matter, which were similar. < as lemmas |
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