Bisectrix
BISECTRIX (fem., of Lat. bisector, from bi-, two, secare, to cut), in geometry, the same as bisector, i.e. a point which divides a line, or a line which divides an angle, into two equal parts; in crystallography it denotes the bisector of the angle between the optic axes.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
