bipunctualadj.

/bʌɪˈpʌŋktjuːəl/

Etymology: < bi- comb. form 1a + punctual adj. and n.formed as in bipunctate adj.

1. = bipunctate adj.

ΚΠ

1731 in N. Bailey Universal Etymol. Eng. Dict. ; whence in mod. Dicts.

2. Mathematics. Having certain specified properties in relation to two points.

ΘΚΠ

the world > relative properties > number > geometry > point > [adjective] > specific numbers of

sextactic1859

triacnodal1873

tricrunodal1873

bipunctual1878

uninodal1894

1878 Amer. Jrnl. Math. 1 152 As long as the direction of reference remains fixed, the only change that can be made in a system of bipunctual coordinates is an alteration in the position of the initials.

1922 H. F. Baker Princ. Geom. II. iii. 123 To speak of the latter conic as being bipunctual.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).

单词	bipunctual
释义	bipunctualadj. /bʌɪˈpʌŋktjuːəl/ Etymology: < bi- comb. form 1a + punctual adj. and n.formed as in bipunctate adj. 1. = bipunctate adj. ΚΠ 1731 in N. Bailey Universal Etymol. Eng. Dict. ; whence in mod. Dicts. 2. Mathematics. Having certain specified properties in relation to two points. ΘΚΠ the world > relative properties > number > geometry > point > [adjective] > specific numbers of sextactic1859 triacnodal1873 tricrunodal1873 bipunctual1878 uninodal1894 1878 Amer. Jrnl. Math. 1 152 As long as the direction of reference remains fixed, the only change that can be made in a system of bipunctual coordinates is an alteration in the position of the initials. 1922 H. F. Baker Princ. Geom. II. iii. 123 To speak of the latter conic as being bipunctual. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018). < adj.1731
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