Mixin

//ˈmɪksɪn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An uninstantiable class that provides functionality to be inherited by a subclass.

    "Traits are somewhat between an interface and a mixin, as an interface contains only method signatures, while a trait includes also the full method definitions; on the other side mixins include method definitions, but they can also carry state through attributes, while traits usually don't."

Example

More examples

"Traits are somewhat between an interface and a mixin, as an interface contains only method signatures, while a trait includes also the full method definitions; on the other side mixins include method definitions, but they can also carry state through attributes, while traits usually don't."

Etymology

From mix + in.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.