What is the meaning of intermixture?

noun

• Any foodstuff made by combining different ingredients.
  • usage: "he volunteered to taste her latest concoction"; "he drank a mixture of beer and lemonade"
  • synonyms: concoction, mixture
• An additional ingredient that is added by mixing with the base.
  • usage: "the growing medium should be equal parts of sand and loam with an admixture of peat moss and cow manure"; "a large intermixture of sand"
  • synonyms: admixture
• The act of mixing together.
  • usage: "paste made by a mix of flour and water"; "the mixing of sound channels in the recording studio"
  • synonyms: mix, commixture, admixture, mixture, mixing