Unknot definitions

ŭn-nŏt'
In knot theory, a knot that can be unraveled in three-dimensional space into an untangled loop without cutting it or intersecting it with itself.
noun
19
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To untie (a knot)
verb
17
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To untie or undo (a knot).
verb
16
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To undo or untangle a knot or knots in.
verb
14
0
(mathematics) In knot theory, a loop that is not knotted.
noun
0
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To undo (a knot).
verb
0
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Origin of unknot

un- +"Ž knot.