mixtion

The act or process of mixing; the state of being mixed or becoming mixed; a mixture.

Nor are there hardly any who either treat of mutation or mixtion of sexes, who have not left some mention of this point […]

A compound of drugs; a medicinal concoction.

A chemical compound.

In gilding, a mixture of amber, mastic, and asphalt used as a size or mordant for affixing gold leaf to wood or to distemper pictures.

The addition of something as an ingredient; admixture; the presence of a heterogeneous element in a mixture or compound.