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单词 quantuplicity
释义

quantuplicityn.

Brit. /ˌkwɒntjuːˈplɪsᵻti/, U.S. /ˌkwɑnt(j)uˈplɪsᵻdi/
Origin: A borrowing from Latin. Etymon: Latin quantuplicitas.
Etymology: < post-classical Latin quantuplicitas (1693), irregularly < quantuplus (1693; < classical Latin quantus how much (see quantum n.) + -plus (in e.g. duplus double adj.1)) + -icitas -icity suffix, after duplicitas duplicity n., etc.; apparently translating Hellenistic Greek πηλικότης magnitude, size (in plural, πηλικότητες , in Euclid Elements 6, def. 5). Compare earlier duplicity n., quadruplicity n., multiplicity n., etc.
Mathematics. Chiefly historical.
The quantitative relationship between two amounts, esp. when expressed as a ratio specifying the number of times that one contains or is contained in the other.
ΘΚΠ
the world > relative properties > number > mathematical number or quantity > [noun] > particular qualities > relative
quantuplicity1781
place value1911
1781 J. Williamson in tr. Euclid Elements I. Diss. vi. 136 Any certain mutual habitude of magnitudes of the same kind, considered according to this quantuplicity or multiplicity.., I call ratio.
1836 A. De Morgan Differential & Integral Calculus Introd. 17 The proportions of figures..depend..upon what Euclid terms the ratio..which he says is (if we may coin such an English word) the number-of-times-ness or quantuplicity of one quantity, considered with respect to another.
1841 Penny Cycl. XIX. 307/2 The mode of expressing quantity in terms of quantity is entirely based upon the notion of quantuplicity.
1934 Philos. Sci. 1 32 Ratio, to quote Euclid, is the mutual habitude of two magnitudes of the same kind with respect to their quantuplicity.
1999 D. M. Jesseph Squaring Circle iv. 155 He [sc. Wallis] wants to allow relations of quantuplicity that cannot be expressed by ratios of integers, so that the side of a square would be the 1/ √2 quantuple part of the diagonal.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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n.1781
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