commutant

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noun

The subset of all elements of a semigroup that commute with the elements of a given subset

OriginEnglish commute ← Latin commūtō ← Proto-Indo-European *meyth₂- →
Scrabble 15
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Meanings

nouncommutant (plural commutants)

plural commutants

  1. algebraThe subset of all elements of a semigroup that commute with the elements of a given subset

    The basic mathematical entity to be used here in elucidating the different senses of superselection rules is a von Neumann algebra #123;#92;mathfrak#123;M

    2008 September 27, John Earman, “Superselection Rules for Philosophers”, in Erkenntnis, volume 69, number 3, →DOI

Origin

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Proto-Indo-European*mey-?
  7. Proto-Indo-European*meyth₂-
  8. Latinmūtō
  9. Latincommūtō
  10. Englishcommute
  11. Englishcommutant

From commute + -ant.

Full word history & related roots →
Cite this entry
APA

commutant. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/commutant

MLA

“commutant.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/commutant. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “commutant,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/commutant.

Source: commutant on Wiktionary, CC BY-SA 4.0.