leading edge

[lee-ding]
noun
1.
Aeronautics. the edge of an airfoil or propeller blade facing the direction of motion.
2.
something that is or represents the most advanced or innovative aspect of a field, activity, profession, etc.; forefront; vanguard: the leading edge of technology.

Origin:
1875–80

leading-edge, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To leading edge
Collins
World English Dictionary
leading edge (ˈliːdɪŋ)
 
n
1.  Compare trailing edge the forward edge of a propeller blade, aerofoil, or wing
2.  electrical engineering the part of a pulse signal that has an increasing amplitude
3.  a.  the leading position in any field
 b.  (as modifier): leading-edge technology

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
The drill has teeth around the leading edge and a hollow center.
The drill bit is a set of teeth around the leading edge of a hollow pipe.
Sometimes the leading edge of one of these storms was a mile-high.
Grasp the shower curtain by its leading edge and gently pull until it is flush
  with the wall.
Image for leading edge
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature