admixture in WordNet English dictionary

1. the act of mixing together
   "paste made by a mix of flour and water"; "the mixing of sound channels in the recording studio"
   mix  commixture  admixture  mixture  intermixture  mixing 
   
2. an additional ingredient that is added by mixing with the base
   "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"
   admixture  intermixture 
   
3. the state of impairing the quality or reducing the value of something
   admixture  alloy