two-clangn. [clangn. 3] Acoustics a compound tone consisting of two simple tones.
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the world > physical sensation > hearing and noise > thing heard > [noun] > sound > assemblage or body of > compound
clang1867
two-clang1894
1894 J. E. Creighton & E. B. Titchener tr. W. M. Wundt Lect. Human & Animal Psychol. v. §2. 69 Similar simple periods are found to recur in the other harmonious two-clangs [Ger. Zweiklängen].