carboy vs crystal

carboy

noun
  • A large, rigid bottle, originally made of glass and mainly used for fermentation, and now commonly made of plastic and used to store liquids. 

verb
  • To bottle in a carboy. 

crystal

noun
  • A fine type of glassware, or the material used to make it. 

  • Crystal meth: methamphetamine hydrochloride. 

  • 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. 

  • The glass over the dial of a watch case. 

adj
  • Very clear. 

  • "Do I make myself clear?" / "Crystal." 

How often have the words carboy and crystal occurred in a corpus of books? (source: Google Ngram Viewer )