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单词 crystal
释义

WordReference Random House Learner's Dictionary of American English © 2024
crys•tal /ˈkrɪstəl/USA pronunciation  n. 
  1. Crystallography[uncountable] a clear, transparent mineral or glass resembling ice, like quartz.
  2. a piece of such mineral, cut and used as decoration:[countable]glimmering crystals on her necklace.
  3. Crystallography a single grain of a crystallike substance:[countable]A few crystals of sugar fell to the floor.
  4. Ceramics glass of fine quality and a high degree of brilliance:[uncountable]a goblet of Orrefors crystal.
  5. Ceramics glassware, esp. for the table and ornamental objects, made of such glass:[uncountable]Put out the china and the crystal.
  6. Time the glass or plastic cover over the face of a watch:[countable]The blow to his wrist had shattered the crystal on his watch.
  7. Electronics[countable] a quartz crystal shaped to vibrate at a particular frequency, used to control the timing of a watch.

adj. 
  1. Crystallographymade of crystal.
  2. Crystallography resembling crystal;
    clear;
    transparent:[before a noun]the crystal waters of the Aegean Sea.

WordReference Random House Unabridged Dictionary of American English © 2024
crys•tal  (kristl),USA pronunciation n., adj., v., -taled, -tal•ing or (esp. Brit.) -talled, -tal•ling. 
n. 
  1. Crystallographya clear, transparent mineral or glass resembling ice.
  2. Crystallographythe transparent form of crystallized quartz.
  3. Chemistrya solid body having a characteristic internal structure and enclosed by symmetrically arranged plane surfaces, intersecting at definite and characteristic angles.
  4. Chemistryanything made of or resembling such a substance.
  5. Crystallographya single grain or mass of a crystalline substance.
  6. Ceramicsglass of fine quality and a high degree of brilliance.
  7. Ceramicsarticles, esp. glassware for the table and ornamental objects, made of such a glass.
  8. Timethe glass or plastic cover over the face of a watch.
  9. [Radio.]
    • Radio and Televisionthe piece of germanium, silicon, galena, or the like forming the essential part of a crystal detector.
    • Radio and Televisionthe crystal detector itself.
  10. Electronicsa 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: used to control the frequency of an oscillator (crystal oscillator,) as of a radio transmitter.
  11. Drugs, Slang Terms[Slang.]any stimulant drug in powder form, as methamphetamine or PCP.

adj. 
  1. Crystallographycomposed of crystal.
  2. Crystallographyresembling crystal;
    clear;
    transparent.
  3. Radio and Televisionpertaining to or employing a crystal detector.
  4. indicating the fifteenth event of a series, as a wedding anniversary. See table under wedding anniversary. 

v.t. 
  1. Crystallographyto make into crystal;
    crystallize.
  2. Crystallographyto cover or coat with, or as if with, crystal (usually fol. by over).
  • Greek krýstallos clear ice, rock crystal, derivative of krystaínein to freeze; see cryo-
  • Medieval Latin cristallum, Latin crystallum
  • Middle English cristal(le), Old English cristalla bef. 1000
crystal•like′, adj. 

Crys•tal  (kristl),USA pronunciation n. 
  1. Place Namesa city in SE Minnesota, near Minneapolis. 25,543.
  2. a female given name.

Collins Concise English Dictionary © HarperCollins Publishers::
crystal /ˈkrɪstəl/ n
  1. a piece of solid substance, such as quartz, with a regular shape in which plane faces intersect at definite angles, due to the regular internal structure of its atoms, ions, or molecules
  2. a single grain of a crystalline substance
  3. anything resembling a crystal, such as a piece of cut glass
  4. a highly transparent and brilliant type of glass, often used in cut-glass tableware, ornaments, etc
  5. (as modifier): a crystal chandelier
  6. something made of or resembling crystal
  7. crystal glass articles collectively
  8. a crystalline element used in certain electronic devices as a detector, oscillator, transducer, etc
  9. (as modifier): crystal pick-up, crystal detector
  10. a transparent cover for the face of a watch, usually of glass or plastic
  11. (modifier) of or relating to a crystal or the regular atomic arrangement of crystals: crystal structure, crystal lattice
adj
  1. resembling crystal; transparent: crystal water
Etymology: Old English cristalla, from Latin crystallum, from Greek krustallos ice, crystal, from krustainein to freeze
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