dodecaphonic

adjective

do·​deca·​phon·​ic (ˌ)dō-ˌde-kə-ˈfä-nik 

: twelve-tone

dodecaphonically

(ˌ)dō-ˌde-kə-ˈfä-ni-k(ə-)lē 

adverb

dodecaphonist

dō-ˈde-kə-fə-nist 

-ˌfō-;

ˌdō-di-ˈka-fə-nist

noun

dodecaphony

dō-ˈde-kə-fə-nē 

-ˌfō-;

ˌdō-di-ˈka-fə-nē

noun

Word History

Etymology

dodeca- + phon- + -ic

First Known Use

1949, in the meaning defined above