(baɪˈsɛktrɪks) n, plbisectrices (baɪˈsɛktrɪˌsiːz) 1. (Mathematics) another name for bisector2. (Chemistry) the bisector of the angle between the optic axes of a crystal
bisectrix
bisectrix
[‚bī′sek‚triks] (crystallography) A line that is the bisector of the angle between the optic axes of a biaxial crystal.