T perm

noun

A PLL case (i.e. a case where the cubies of the last layer all have the last-side colour facing the last side) where a pair of opposite edge cubies and a pair of corner cubies that lie on either side of one of the wrong edges both need to be swapped.

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Meanings

nounT perm (plural T perms)

plural T perms

  1. Rubik's CubeA PLL case (i.e. a case where the cubies of the last layer all have the last-side colour facing the last side) where a pair of opposite edge cubies and a pair of corner cubies that lie on either side of one of the wrong edges both need to be swapped.

Origin

The wrong pieces form a T. "Perm" means permutation.

Full word history & related roots →
Cite this entry
APA

T perm. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/T%20perm

MLA

“T perm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/T%20perm. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “T perm,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/T%20perm.

Source: T perm on Wiktionary, CC BY-SA 4.0.