mixin

/ˈmɪksɪn/

Etymology

Deverbal from mix in.

mixin means an uninstantiable class that provides functionality to be inherited by a subclass. Lexicurio rates it Sui generis — a strength score of 92 out of 100.

mixin is pronounced /ˈmɪksɪn/.

noun

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.”