knife-edge

WORDNET DICTIONARY

Noun knife-edge has 1 sense

CIDE DICTIONARY

knife-edgen. 
     A piece of steel sharpened to an acute edge or angle, and resting on a smooth surface, serving as the axis of motion of a pendulum, scale beam, or other piece required to oscillate with the least possible friction.  [1913 Webster]
Knife-edge file. See Illust. of File.

For further exploring for "knife-edge" in Webster Dictionary Online


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