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black ice

noun
1.
a thin sheet of ice, as on a road surface, usually caused by freezing mist and creating hazardous driving conditions.
2.
Oceanography. sea ice that is clear enough to show the color of the water underneath.
Origin of black ice
1820-1830
1820-30, Americanism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for blackice

black ice

noun
1.
a thin transparent layer of new ice on a road or similar surface
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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blackice in Technology
software, security
A commercial firewall and intrusion detection system.
BlackIce Home (http://blackice.iss.net/).
(2003-09-13)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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