ad·mix I. \(ˈ)ad|miks, ədˈm-\transitive verb (-ed/-ing/-es) Etymology: back-formation from obsolete admixt mingled with, from Middle English, from Latin admixtus : mingle, mix, blend — often used with with < a saturated hydrocarbon that cannot be vulcanized unless admixed with a little isoprene — J.W.McBain > II. \ˈadˌmiks\noun Etymology: by shortening : admixture 2b III. abbreviation administratrix