English-Thai: NECTEC's Lexitron-2 Dictionary [with local updates] NECTEC Lexitron Dictionary EN-TH
Oxford Advanced Learners Dictionary (pronunciation guide only) Oxford Advanced Learners Dictionary
WordNet (3.0) WordNet (3.0)
(n) a narrow boundary, Example:he lived on a knife-edge between genius and insanity
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
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. [ 1913 Webster ]
Knife-edge file.
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