KNIFEEDGE

Knife"*edge`, n. (Mech.)

Definition: 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. Knife-edge file. See Illust. of File.

Knife"*edge`, n. (Mech.)

Definition: 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. Knife-edge file. See Illust. of File.

Source: Webster’s Unabridged Dictionary 1913 Edition

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