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   crystal

   /ˈkrɪstl/

   noun

   • 1. a piece of a homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces: "a quartz crystal"
   • ▪ any solid consisting of a symmetrical, ordered, three-dimensional aggregation of atoms or molecules.
   • ▪ a crystalline piece of semiconductor used as an oscillator or transducer.
   • ▪ a clear transparent mineral, especially quartz: "cups cut from crystal"
   • ▪ a piece of crystalline substance believed to have healing powers.
   • 2. highly transparent glass with a high refractive index: "a crystal chandelier"
   • ▪ articles made of crystal glass: "a collection of crystal"
   • ▪ the glass over a watch face.
   • 3. short for crystal meth (methamphetamine) informal

   adjective

   • 1. clear and transparent like crystal: "the clean crystal waters of the lake"

   Word Origin late Old English (denoting ice or a mineral resembling it), from Old French cristal, from Latin crystallum, from Greek krustallos ‘ice, crystal’. The chemistry sense dates from the early 17th century.

   Scrabble Points: 12

   • C

     3

   • R

     1

   • Y

     4

   • S

     1

   • T

     1

   • A

     1

   • L

     1

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