bisectrix

== English == === Noun === bisectrix (plural bisectrixes or bisectrices) (crystallography) The line bisecting the angle between the optic axes of a biaxial crystal. === References === “bisectrix, n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000. == Latin == === Etymology === From bi- +‎ secō +‎ -trīx. Coined in New Latin as a feminine agent noun corresponding to the masculine bisector. === Pronunciation === (Classical Latin) IPA(key): [bɪˈsɛk.triːks] (modern Italianate Ecclesiastical) IPA(key): [biˈs̬ɛk.triks] === Noun === bisectrīx f (genitive bisectrīcis); third declension (New Latin, geometry) bisector; a line or plane that bisects an angle or line segment. ==== Declension ==== Third-declension noun. ==== Related terms ==== bisector