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单词 gray
释义 gray
gray1
 —grayly,  adv.   —grayness,  n.  
 /gray/, adj., grayer, grayest,  n.  ,  v.  
  adj.  
  1. of a color between white and black; having a neutral hue.
  2. dark, dismal, or gloomy: gray skies.
  3. dull, dreary, or monotonous.
  4. having gray hair; gray-headed.
  5. pertaining to old age; mature.
  6.  Informal.   pertaining to, involving, or composed of older persons: gray households.
  7. old or ancient.
  8. indeterminate and intermediate in character: The tax audit concentrated on deductions in the gray area between purely personal and purely business expenses.
  n.  
  9. any achromatic color; any color with zero chroma, intermediate between white and black.
  10. something of this color.
  11. gray material or clothing: to dress in gray.
  12. an unbleached and undyed condition.
  13. (often cap.) a member of the Confederate army in the American Civil War or the army itself. Cf. blue (def. 5).
  14. a horse of a gray color.
  15. a horse that appears white but is not an albino.
  v.t.  ,  v.i.  
  16. to make or become gray.
 Also, grey.
 [bef. 900; ME; OE graeg; c. G grau]
gray2
 /gray/, n. Physics.
 the SI unit of absorbed dose, equal to the amount of ionizing radiation absorbed when the energy imparted to matter is 1 J/kg. Abbr.: Gy Cf. rad.
 [1975; named in honor of Louis Harold Gray (1905-65), English radiobiologist]
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更新时间:2024/11/10 10:30:06