dodecaphonistEtymologyInternational word formed circa 1950 from Ancient Greek δώδεκα (dṓdeka, “twelve”) + φωνή (phōnḗ, “sound”) + -ist, recorded in English since 1953, presumably modeled on German Dodekaphonist.nounA practitioner or proponent of dodecaphony, i.e. use of the dodecaphonic musical scale, which has twelve tones per octave“The pioneering Austrian composer Arnold Schönberg was the leading dodecaphonist.”