nonicn.adj.

Brit.

/ˈnəʊnɪk/, U.S.

/ˈnoʊnɪk/

Origin: Formed within English, by derivation. Etymons: nona- comb. form, -ic suffix.

Etymology: < nona- comb. form + -ic suffix.

Mathematics.

A. n.

An expression, equation, or curve of the ninth order or degree.

ΘΚΠ

the world > relative properties > number > geometry > curve > [noun] > of specific order

cissoid1656

conchoid1798

quartic1854

nonic1856

Cayleyan1873

1856 A. Cayley in Philos. Trans. (Royal Soc.) 146 635 The nonic is the lowest quantic with two quartinvariants.

1895 Philos. Trans. 1894 (Royal Soc.) A. 185 103 The nonic was proved..to have only three real roots.

1932 Proc. National Acad. Sci. U.S.A. 18 365 A dissection of the observed frequency curve into two normal curves, by means of Pearson's nonic might give a good representation.

1973 Biometrics 60 629 He [sc. Karl Pearson] pointed out how delicately poised is the fundamental nonic.

B. adj.

Of the ninth order or degree.

ΘΚΠ

the world > relative properties > number > algebra > [adjective] > relating to expressions > relating to equations > involving terms of specific highest power

quadratic1668

quadrato-quadratical1668

quadraticala1690

biordinal1853

octavic1854

quartic1856

nonic1910

1910 Amer. Jrnl. Math. 32 162 Any space, a, on p meets P in a nonic curve, the line p and an octavic curve P′ in a.

1958 New Biol. 25 16 By an elementary transformation I have thrown his rather formidable nonic equation into a form which allows numerical tabulation.

1995 Math. of Computation 64 313 The minimal discriminant for imprimitive nonic fields of signature (5,2) is 467890073 = 7⁶ · 41 · 97.

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

单词	nonic
释义	nonicn.adj. Brit. /ˈnəʊnɪk/, U.S. /ˈnoʊnɪk/ Origin: Formed within English, by derivation. Etymons: nona- comb. form, -ic suffix. Etymology: < nona- comb. form + -ic suffix. Mathematics. A. n. An expression, equation, or curve of the ninth order or degree. ΘΚΠ the world > relative properties > number > geometry > curve > [noun] > of specific order cissoid1656 conchoid1798 quartic1854 nonic1856 Cayleyan1873 1856 A. Cayley in Philos. Trans. (Royal Soc.) 146 635 The nonic is the lowest quantic with two quartinvariants. 1895 Philos. Trans. 1894 (Royal Soc.) A. 185 103 The nonic was proved..to have only three real roots. 1932 Proc. National Acad. Sci. U.S.A. 18 365 A dissection of the observed frequency curve into two normal curves, by means of Pearson's nonic might give a good representation. 1973 Biometrics 60 629 He [sc. Karl Pearson] pointed out how delicately poised is the fundamental nonic. B. adj. Of the ninth order or degree. ΘΚΠ the world > relative properties > number > algebra > [adjective] > relating to expressions > relating to equations > involving terms of specific highest power quadratic1668 quadrato-quadratical1668 quadraticala1690 biordinal1853 octavic1854 quartic1856 nonic1910 1910 Amer. Jrnl. Math. 32 162 Any space, a, on p meets P in a nonic curve, the line p and an octavic curve P′ in a. 1958 New Biol. 25 16 By an elementary transformation I have thrown his rather formidable nonic equation into a form which allows numerical tabulation. 1995 Math. of Computation 64 313 The minimal discriminant for imprimitive nonic fields of signature (5,2) is 467890073 = 7⁶ · 41 · 97. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.adj.1856
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