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technology that is so new that the user will risk problems in order to use it; new and extremely expensive technology; a term formed as an allusion to “leading edge”
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
a. the very forefront of technological development
b. (as modifier): bleeding-edge communications systems.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
the most advanced stage of a technology, art, etc., usu. experimental and risky.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
That edge of a map or chart on which cartographic detail is extended to the edge of the sheet.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
Technologies that are so advanced or innovative that there is no known application for them at present.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited