trisectorn.
/trʌɪˈsɛktə/, U.S. /traɪˈsɛktər/ One who or that which trisects; spec. in quot. 1872, one who attempts the trisection of an angle.
ΘΚΠ
the world > relative properties > number > specific numbers > three > division into three > [noun] > division into three equal parts > one who or that which
trisector1864
1864 Athenæum 27 Aug. 276/3 The trisector of an angle.
1872 A. De Morgan Budget of Paradoxes 71 He is sometimes ranked with the trisectors.
Derivatives
triˈsectory adj. having the property of trisecting: applied to certain curves used in the trisection of an angle ( Cent. Dict. 1891).
triˈsectrix n. [see -trix suffix] a line that trisects; spec. a curve used in the trisection of an angle ( Cent. Dict. Suppl. 1909).
This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).
<
n.1864