crystal

/ˈkrɪstl / (say 'kristl)

noun
1. a clear, transparent mineral or glass resembling ice.
2. the transparent form of crystallised quartz.
3. Chemistry, Mineralogy a solid body having a characteristic internal structure and enclosed by symmetrically arranged plane surfaces, intersecting at definite and characteristic angles.
4. anything made of or resembling such a substance.
5. a single grain or mass of a crystalline substance.
6. glass of a high degree of brilliance.
7. cut glass.
8. the glass or plastic cover over the face of a watch.
9. Obsolete, Radio
a. the piece of galena, carborundum, or the like, forming the essential part of a crystal detector.
b. the crystal detector itself.
10. a crystal ball.
11. a quartz crystal ground in the shape of a rectangular parallelepiped, which vibrates strongly at one frequency when electric voltages of that frequency are placed across opposite sides. It is used to control the frequency of an oscillator as, for example, the frequency of a radio transmitter.
12. a crystal used as a device with the supposed power to have a beneficial effect on human energy fields.
13. Also, crystal meth. Colloquial a powdered narcotic, especially methamphetamine.
adjective
14. composed of crystal.
15. resembling crystal; clear; transparent.
16. Radio relating to or employing a crystal detector.
phrase
17. be crystal clear, to be extremely clear.
{Middle English cristal, from Old French; replacing Old English cristalla, from Latin crystallum, from Greek krystallos ice, crystal}

Australian English dictionary. 2014.

Look at other dictionaries:

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  • Crystal — Crys tal (kr[i^]s tal), n. [OE. cristal, F. cristal, L. crystallum crystal, ice, fr. Gr. kry stallos, fr. kry os icy cold, frost; cf. AS. crystalla, fr. L. crystallum; prob. akin to E. crust. See {Crust}, {Raw}.] 1. (Chem. & Min.) The regular… …   The Collaborative International Dictionary of English

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  • crystal — [kris′təl] n. [altered (modeled on L) < ME & OFr cristal, OE cristalla < L crystallum, crystal, ice < Gr krystallos < kryos: see CRUDE] 1. a) a clear, transparent mineral; esp., pure quartz b) a piece of such quartz cut in the form of …   English World dictionary

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  • Crystal — Crys tal, a. Consisting of, or like, crystal; clear; transparent; lucid; pellucid; crystalline. [1913 Webster] Through crystal walls each little mote will peep. Shak. [1913 Webster] By crystal streams that murmur through the meads. Dryden. [1913… …   The Collaborative International Dictionary of English

  • CRYSTAL — is a quantum chemistry ab initio program, designed primarily for calculations on crystals (3 dimensions), slabs (2 dimensions) and polymers (1 dimension) using translational symmetry, but it can be used for single molecules. [ Computational… …   Wikipedia

  • crystal — O.E. cristal clear ice, clear mineral, from O.Fr. cristal (12c., Mod.Fr. crystal), from L. crystallus crystal, ice, from Gk. krystallos, from kryos frost, from PIE root *kru(s) hard, hard outer surface (see CRUST (Cf. crust)). Spelling adopted… …   Etymology dictionary

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