knife edge

noun

the cutting edge of a knife.
anything very sharp.
a wedge on the fine edge of which a scale beam, pendulum, or the like, balances or oscillates.

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Origin of knife edge

First recorded in 1810–20

Words nearby knife edge

knickpoint, knies, kniest syndrome, knife, knife box, knife edge, knife grinder, knife pleat, knife rest, knife river, knife switch
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to knife edge

pleat, layer, convolution, corrugation, bend, cockle, gathering, ridge, overlap, ruck, crimp, ruffle, plication, ply, wrinkle, lap, furrow, circumvolution, gather, pucker

Example sentences from the Web for knife edge

British Dictionary definitions for knife edge

knife edge

noun

the sharp cutting edge of a knife
any sharp edge
a sharp-edged wedge of hard material on which the beam of a balance pivots or about which a pendulum is suspended
a critical point in the development of a situation, process of making a decision, etc
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