Meaning of KNIFE EDGE
| Pronunciation: | | nIf ej
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 WordNet Dictionary |
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| | Definition: | |
- [n] the sharp cutting side of the blade of a knife
- [n] a narrow boundary; "he lived on a knife-edge between genius and insanity"
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| | Synonyms: | | cutting edge |
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| | See Also: | | blade, boundary, bounds, edge, edge tool, limit | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Knife"-edge`\, n. (Mech.)
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}.
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