1. unknot - Noun
2. unknot - Verb
To free from knots; to untie.
Source: Webster's dictionaryHe settles in the kitchen because the children are asleep all over the rest of the house. I unknot his tie and offer him a cold sandwich. He raps my backside, paying attention to the bounce. I walk around him as though he were a Maypole, kissing as I go. Grace Paley
unravel the thread Source: Internet
Currently there are several well-known unknot recognition algorithms (not using invariants), but they are either known to be inefficient or have no efficient implementation. Source: Internet
For instance, the Alexander polynomial can be used to distinguish the trefoil knot from the figure-eight knot and the unknot (a simple loop). Source: Internet
Intuitively, the unknot is a closed loop of rope without a knot in it. Source: Internet
An unknot is the identity element with respect to the knot sum operation. Source: Internet