knife-edge


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knife-edge

[′nīf ‚ej]
(design engineering)
A sharp narrow edge resembling that of a knife, such as the fulcrum for a lever arm in a measuring instrument.
References in periodicals archive ?
Two types of bits were tested in three different configurations: (1) carbide hammer bits; (2) knife-edge bits; and (3) combo bits, which consisted of 12 knife-edge bits in the center of the cutting rotor and 8 carbide hammer bits placed in the outer edge of the cutting rotor.
The Foucault knife-edge test is an age old test, described by Leon Foucault in 1857, that is still used today.
It was very difficult to see all the dark patches on the track out there, whether it was just the circuit or whether it was damp and if it was going to affect you, so we're all going to be on a knife-edge out there.
Everton will face another few weeks on the knife-edge yet
Her challenge is to drive a tank around five obstacles, the bumps, the ditch, the water fjord and the mighty knife-edge.
Therefore, we usually use either the free-space, two-ray, or knife-edge diffraction propagation models in EW applications.
SO, the future of live music at one of Cardiff's top venues for young up-and-coming bands is on a knife-edge.
The relief edge features a negative rake that acts as a knife-edge making that edge capable of cutting as well.
Avoiding both photorealist slickness and expressionistic flourish, it reads as a knife-edge balancing act between an objective and subjective register, reinforcing the play of opposites--visibility and invisibility, objectivity and subjectivity, expression and concealment--that shapes the artist's overall project.
Until it is released on October 19, we'll be on a knife-edge.
With the contest on a knife-edge going into last Sunday's game, Mark won it by predicting Kilmarnock to beat Saints 2-1.
PRIME Minister Tony Blair faces a knife-edge battle to retain Britain's veto over taxes when he meets European Union leaders in Nice this week.