Consisting of crystal; as a crystaline palace.

Resembling crystal; pure; clear; transparent; pellucid; as a crystalline sky. Crystaline heavens, in ancient astronomy, two spheres imagined between the primum mobile and the firmament, in the Ptolemaic system, which supposed the heavens to be solid and only susceptible of a single motion. Crystaline humor, Crystaline lens, a lentiform pellucid body, composed of a very white, transparent, firm substance, inclosed in a membranous capsule, and situated in a depression in the anterior part of the vitreous humor of the eye. It is somewhat convex, and serves to transmit and refract the rays of light to the vitreous humor.