/ ədˈmɪkstʃə(r); NAmE / noun ( formal )
1.
a mixture :
an admixture of aggression and creativity
2.
something, especially a small amount of sth, that is mixed with sth else :
a French-speaking region with an admixture of German speakers
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WORD ORIGIN
early 17th cent. (in the sense act of admixing ): from ad- (expressing addition) + mixture .