Unlink
In the mathematical field of knot theory, the unlink is a link that is equivalent (under ambient isotopy) to finitely many disjoint circles in the plane.
Wikipedia
Delink (verb)
To unlink, or remove a link from.
Unlink (verb)
To decouple; to remove a link from, or separate the links of.
Unlink (verb)
To delete (a file).
Unlink (noun)
A link that is equivalent (under ambient isotopy) to finitely many disjoint circles in the plane.
Wiktionary
Delink (verb)
break the connection between (something) and something else
“the possibility of delinking from the international economic system”
Unlink (verb)
detach; separate
“she unlinked her arm to pull back her coat sleeve”
Unlink (verb)
not linked or connected; separate
“three previously unlinked murders”
Oxford Dictionary