Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
admixture is a noun meaning "the state of impairing the quality or reducing the value of something". It carries 3 recorded senses.
an additional ingredient that is added by mixing with the base
“the growing medium should be equal parts of sand and loam with an admixture of peat moss and cow manure”
“a large intermixture of sand”
the act of mixing together
“paste made by a mix of flour and water”
“the mixing of sound channels in the recording studio”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for admixture come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.