indicatrix

noun

indicatrix

noun

Etymology Learned borrowing from Latin indicātrīx. By surface analysis, indicate + -trix.

1

Chemistry, Crystallography, Mathematics, Natural sciences, Physical sciences, Sciences An ellipsoid whose three axes represent the refractive indices of an anisotropic crystal for light following different directions with respect to the crystal axes

Derived terms
Tissot's indicatrix

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.