equivariant

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adjective

Not affected by a specified group action.

“f:S→T is equivariant with respect to g,!: for every s,! in S,!, g_T,!f(s)=f(g_S,!s), where g_S,! and g_T,! are actions on different sets of the same group.”

OriginEnglish variant ← Latin aequi- ← Old Latin aiquos →
UncommonScrabble 23
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Meanings

adjectiveequivariant (not comparable)
  1. not comparablemathematicsNot affected by a specified group action.

    f:S→T is equivariant with respect to g,!: for every s,! in S,!, g_T,!f(s)=f(g_S,!s), where g_S,! and g_T,! are actions on different sets of the same group.

Origin

  1. Proto-Italic*aikʷos?
  2. Old Latinaiquos
  3. Latinaequus
  4. Latinaequi-
  5. Englishequi-
  6. Englishvariant
  7. Englishequivariant

From equi- + variant.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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