typeclass

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A form of type class — A type system construct that supports ad hoc polymorphism (independent of the type hierarchy), first pioneered in Haskell.

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Meanings

nountypeclass (plural typeclasses)

plural typeclasses

  1. alternativeAlternative spelling of type class.

    As mentioned in Section 21.4, typeclasses support ad hoc polymorphism, which means that functions can be used with a particular, enumerated set of types.

    2021, Martin Odersky et al., chapter 23, in Programming in Scala, 5th edition, Artima, →ISBN

Origin

From type + class.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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