Definition of "Mixture" :
noun: the act of mixing together
noun: an event that combines things in a mixture
"A gradual mixture of cultures."
noun: any foodstuff made by combining different ingredients
"He drank a mixture of beer and lemonade."
noun: a collection containing a variety of sorts of things
noun: (chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)