Learner's definition of MIXTURE
1 [count] : something made by combining two or more ingredients
— often + of
Stir the sugar and butter until the mixture is light and fluffy.
Now add eggs to the mixture.
Pour the cake mixture into a well-greased pan and bake.
2 [count] : a combination of different things — + of
The dog's coat is a mixture of yellow, brown, and black fur.
We were feeling a mixture of fear and excitement.
They talked to each other in a mixture of English and Spanish.
3 [noncount] : the act of mixing two or more things together — + of