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dark cloud

dark cloud in Science
dark cloud
  (därk)   
See absorption nebula.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Examples from the Web for dark cloud
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Historical Examples
  • And then, like a dark cloud, came the recollection of how he had obtained the information upon which his success was based.

    King of the Castle George Manville Fenn
  • David suffered the common fate of all in having a dark cloud.

    David Dunne Belle Kanaris Maniates
  • At the same moment a dark cloud apparently obscured the sun.

    The Fantasy Fan November 1933 Charles D. Hornig
  • In the excitement of the moment she forgot the dark cloud that had fallen upon her.

    The White Lie William Le Queux
  • When the dark cloud broke on August 4, 1914, Canada was not wholly unprepared.

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