pseudovariety

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noun

A class of algebras of a given signature, closed under the taking of homomorphic images, subalgebras and finitary direct products.

“Pseudovarieties are of particular importance in the study of finite semigroups and hence in formal language theory.”

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Meanings

nounpseudovariety (plural pseudovarieties)

plural pseudovarieties

  1. mathematicsA class of algebras of a given signature, closed under the taking of homomorphic images, subalgebras and finitary direct products.

    Pseudovarieties are of particular importance in the study of finite semigroups and hence in formal language theory.

Origin

From pseudo- + variety.

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Cite this entry
APA

pseudovariety. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/pseudovariety

MLA

“pseudovariety.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pseudovariety. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “pseudovariety,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/pseudovariety.

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