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单词 quadrisection
释义

quadrisectionn.

Brit. /ˌkwɒdrᵻˈsɛkʃn/, U.S. /ˌkwɑdrəˈsɛkʃ(ə)n/
Origin: Formed within English, by compounding. Etymons: quadri- comb. form, section n.
Etymology: < quadri- comb. form + section n. Compare later quadrisect v.
Chiefly Mathematics.
Division into four equal parts.
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the world > relative properties > number > specific numbers > four > [noun] > division into four
quadrature1578
quadripartitiona1661
quadrisection1673
quadripartiting1702
tetrachotomy1858
tetramerism1888
1673 J. Wallis Let. 12 Apr. in S. P. Rigaud & S. J. Rigaud Corr. Sci. Men 17th Cent. (1841) (modernized text) II. 571 We find, by the quadrisection of an arch or angle, a biquadratic equation of four roots.
1809 Philos. Trans. (Royal Soc.) 99 227 In the method of continued bisection, the two opposite points must be found by quadrisection.
1914 Amer. Math. Monthly 24 331 The quadrisection of the circumference of a circle by the use of the compasses alone.
2005 Jrnl. Amer. Acad. Dermatol. 53 271/1 The method involves transverse trisection or quadrisection (rather than the standard bisection) of the block.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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n.1673
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