What is the meaning of Admixture?

An instance of admixing, a mixing in of something.

A mixing-in of a biologically or genetically differentiated group to an established stock.

A mixture, in some contexts:

  1. a mixture composed of entities retaining their individual properties.

    a mixture composed of entities retaining their individual properties.

    vocative masculine singular of admixtūrus

    Source: wiktionary.org