bisectrix


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bisectrix

[‚bī′sek‚triks]
(crystallography)
A line that is the bisector of the angle between the optic axes of a biaxial crystal.
References in periodicals archive ?
1 performs a rotation about the bisectrix between the vectors V1 and V2.
The optical orientation, identical to that of olivine, is a = Z, b = X, and c = Y, which agrees with Payne's observation that the optic plane parallels the base and that the acute bisectrix is parallel to b.