noun, plural bi·sec·tri·ces [bahy-sek-trahy-seez] /ˌbaɪ sɛkˈtraɪ siz/.
- Crystallography. an imaginary line bisecting either the acute angle (acute bisectrix) or the obtuse angle (obtuse bisectrix) of the optic axes of a biaxial crystal.
- Geometry. a bisector.
noun plural bisectrices (baɪˈsɛktrɪˌsiːz)
- another name for bisector
- the bisector of the angle between the optic axes of a crystal