tritonen.
/ˈtrʌɪtəʊn/, U.S. /ˈtraɪˌtoʊn/ Music.
An interval consisting of three whole tones; an augmented fourth. (Also formerly in Latin form.)
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tritone1609
diabolus1838
diabolus in musica1853
1609 J. Dowland tr. A. Ornithoparchus Micrologus 20 A Tritone doth exceed the Consonance of a Diatessaron.
1730 Short Treat. Harmony i. 7 The Leaps of the False Relations, viz. of a Tritonus, and of a Semidiapente are absolutely forbidden.
1775 Steele in Philos. Trans. (Royal Soc.) 65 76 Tritones, or sharp fourths, above the upper minims.
1789 C. Burney Gen. Hist. Music III. 344 The Tritonus..consisting of three tones, without the intervention of a semitone, is extremely difficult to sing.
1854 Cherubini's Counterpoint 11 It now remains to be demonstrated how and why the Tritone is a false relation in harmony.
This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).
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