As a proper noun crystal
As a noun herapathite is
iodoquinine]] sulfate, a chemical compound whose crystals are dichroic and thus can be used for [[polarize|polarizing light.
* crystall (obsolete)
* chrystal (obsolete)
(countable) 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.
(countable) A piece of glimmering, shining mineral resembling ice or glass.
(uncountable) A fine type of glassware, or the material used to make it.
(uncountable, slang) crystal meth: methamphetamine hydrochloride.
The glass over the dial of a watch case.
* (array of atoms) grain
* (array of atoms) amorphous, glass
* crystallization, crystallisation
* crystallize, crystallise
* crystal stone
- "Do I make myself clear?" / "Crystal ."
Iodoquinine]] sulfate, a chemical compound whose crystals are dichroic and thus can be used for [[polarize, polarizing light.