admixture

An instance of admixing, a mixing in of something.

The admixture of vanilla extract in the dough improved the pastries' flavor.

[Penelope and Euryclea] express their feelings in copious direct discourse. Feelings though they are, with only a slight admixture of the most general considerations upon human destiny, the syntactical connection between part and part is perfectly clear, no contour is blurred.

An instance of admixing, a mixing in of something.

Both were lean, raw-boned specimens; the man tall, sandy, and grey-eyed, and the woman short and rather dark, with a black straightness of hair suggesting a slight Indian admixture.

A mixture, in some contexts

A mixture, in some contexts:

Background EEG demonstrates an admixture of theta and delta waves.