leading edge

[ lee-ding ]
/ ˈli dɪŋ /

noun

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

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Origin of leading edge

First recorded in 1875–80

OTHER WORDS FROM leading edge

leading-edge, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for leading edge

British Dictionary definitions for leading edge

leading edge
/ (ˈliːdɪŋ) /

noun

the forward edge of a propeller blade, aerofoil, or wingCompare trailing edge
electrical engineering the part of a pulse signal that has an increasing amplitude
  1. the leading position in any field
  2. (as modifier)leading-edge technology
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