from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. small crystals of ice


Sorry, no etymologies found.


  • Some of these are hard and will Endure the Cutting and pollishing by art and soe they make rings and Earings of them, the harder the stone is more valuable, wch differences ye true Diamond that will bear the fire or ye greatest force, and Cannot be divided nor Cut but by some of itself, diamond dust being ye only way they Can Cut diamonds that itself is Capable of Impressing Carracters on Glass.

    Through England on a Side Saddle in the Time of William and Mary


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  • "The last bits of moisture condensed and froze and fell glittering in tiny crystals from the cloudless sky—diamond dust, meteorologists call it, a sign that the coldest, driest weather is building in."
    —David Laskin, The Children's Blizzard (New York: HarperCollins, 2004), 204

    November 12, 2008

  • A ground-level cloud composed of tiny ice crystals that generally forms under otherwise clear or nearly clear skies. Sometimes called clear-sky precipitation. It is most commonly observed in Antarctica and the Arctic, but it can occur anywhere with a temperature well below freezing. In polar regions, diamond dust may continue for several days without interruption.

    September 23, 2007