Meaning of CRYSTAL in English

CRYSTAL

[crys.tal] n [ME cristal, fr. OF, fr. L crystallum, fr. Gk krystallos--more at crust] (13c) 1: quartz that is transparent or nearly so and that is either colorless or only slightly tinged

2: something resembling crystal in transparency and colorlessness

3: a body that is formed by the solidification of a chemical element, a compound, or a mixture and has a regularly repeating internal arrangement of its atoms and often external plane faces

4: a clear colorless glass of superior quality; also: objects or ware of such glass

5: the glass or transparent plastic cover over a watch or clock dial

6: a crystalline material used in electronics as a frequency-determining element or for rectification 7: powdered methamphetamine

[2]crystal adj (14c) 1: consisting of or resembling crystal: clear, lucid

2: relating to or using a crystal "a ~ radio receiver"

Merriam-Webster English vocab.      Английский словарь Merriam Webster.