An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

1) Of or like crystal; clear; transparent.
2) Formed by → crystallization.
3) Composed of crystals.
4) Pertaining to crystals or their formation (Dictionary.com).

Adjective from → crystal.

A → doubly convex, → transparent body in the → eye, situated behind the → iris, that focuses incident light on the → retina (Dictionary.com).

→ crystalline; → lens; → eye.

An arrangement and interrelationship of parts that is of → crystalline nature.

→ crystalline; → structure.