admixture

Short definition from Wiktionary

Noun

1. 1
   An instance of admixing, a mixing in of something.
2. 2
   An instance of admixing, a mixing in of something: A mixing-in of a biologically or genetically differentiated group to an established stock.
3. 3
   A mixture, in some contexts
4. 4
   A mixture, in some contexts: a mixture composed of entities retaining their individual properties.