knife edge


noun
  1. the cutting edge of a knife.

  2. anything very sharp.

  1. a wedge on the fine edge of which a scale beam, pendulum, or the like, balances or oscillates.

Origin of knife edge

1
First recorded in 1810–20

Words Nearby knife edge

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use knife edge in a sentence

British Dictionary definitions for knife edge

knife edge

noun
  1. the sharp cutting edge of a knife

  2. any sharp edge

  1. a sharp-edged wedge of hard material on which the beam of a balance pivots or about which a pendulum is suspended

  2. a critical point in the development of a situation, process of making a decision, etc

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