non-planaradj.

Brit.

/nɒnˈpleɪnə/, U.S.

/nɑnˈpleɪnər/

Origin: Formed within English, by derivation. Etymons: non- prefix, planar adj.

Etymology: < non- prefix + planar adj.

Science.

Not lying in or forming a single plane.

ΚΠ

1868 Proc. Royal Soc. 1867–8 16 394 Through x draw the line xx which cuts the two non-planar chords.

1897 Amer. Jrnl. Math. 19 306 These lines are all non-planar, one being a chord of the triple conic and the other eight being chords of the double quartic.

1929 Philos. Trans. (Royal Soc.) A. 228 332 (note) We shall use ‘primal’ to denote any non-planar locus of the same dimension as a prime.

1945 Jrnl. Inst. Electr. Engineers 92 i. 163/2 This procedure breaks down if the old circuit cannot be drawn without crossings between some of its branches (‘non-planar’ networks).

1964 N. G. Clark Mod. Org. Chem. xviii. 366 These elongated, non-planar, rather rigid units have a molecular weight of 1000 to 3000.

1995 School Sci. Rev. June 68/2 Unlike benzene, the [cyclohexane] molecule exists as two non-planar conforms: the boat and chair forms.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	non-planar
释义	non-planaradj. Brit. /nɒnˈpleɪnə/, U.S. /nɑnˈpleɪnər/ Origin: Formed within English, by derivation. Etymons: non- prefix, planar adj. Etymology: < non- prefix + planar adj. Science. Not lying in or forming a single plane. ΚΠ 1868 Proc. Royal Soc. 1867–8 16 394 Through x draw the line xx which cuts the two non-planar chords. 1897 Amer. Jrnl. Math. 19 306 These lines are all non-planar, one being a chord of the triple conic and the other eight being chords of the double quartic. 1929 Philos. Trans. (Royal Soc.) A. 228 332 (note) We shall use ‘primal’ to denote any non-planar locus of the same dimension as a prime. 1945 Jrnl. Inst. Electr. Engineers 92 i. 163/2 This procedure breaks down if the old circuit cannot be drawn without crossings between some of its branches (‘non-planar’ networks). 1964 N. G. Clark Mod. Org. Chem. xviii. 366 These elongated, non-planar, rather rigid units have a molecular weight of 1000 to 3000. 1995 School Sci. Rev. June 68/2 Unlike benzene, the [cyclohexane] molecule exists as two non-planar conforms: the boat and chair forms. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < adj.1868
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