View synonyms for knife edge

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.

knife edge

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

First recorded in 1810–20

Use a light touch, slope the knifeblade and slice with knife edge away from you (Figure 1).

He had hunted mountain sheep and imagined sun and frost had worn the rocks to something like a knife-edge.

In the heights are numerous ledges and knife-edge ridges on which but little snow can lodge.

This ruby pin acts on a knife edge, but for all that the engaging friction during the unlocking action is considerable.

The knife-edge is then turned forward and made to cut its way out.

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