crystal
A solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions.
A piece of glimmering, shining mineral resembling ice or glass.
A fine type of glassware, or the material used to make it.
(slang) Methamphetamine hydrochloride.
(obsolete) A person's eye.
The glass over the dial of a watch case.
Made of crystal.
Very clear.
Behold ye how these crystal streams do glide, / To comfort pilgrims by the highway side; / The meadows green, beside their fragrant smell, / Yield dainties for them; and he that can tell / What pleasant fruit, yea, leaves, these trees do yield, / Will soon sell all, that he may buy this field.