Eintrag · Lex. musicum Latinum
demissio
demissio -onis f. 1. Abstieg (die Tonhöhe betreffend) 2. Bezeichnung für den tieferen Ton eines Intervalls — 1. descent (with respect to pitch) 2. term that designates the lower pitch of an interval 1 Abstieg (die Tonhöhe betreffend) — descent (with respect to pitch) [syn.: depressio] [s.XIII-XIV] LmLEngelb. Adm. 2, 1, 13: in depressione sive in demissione soni et vocis ab acuitate in gravitatem. 2 Bezeichnung für den tieferen Ton eines Intervalls — term that designates the lower pitch of an interval [syn.: thesis; opp.: elevatio, arsis] [s.XIII-XIV] LmLEngelb. Adm. 2, 11, 5: que est proporcio VIIII ad VIII, eadem in tono est proporcio sue arsys ad suam thesym, i. e. sue elevacionis ad suam demissionem, videlicet quod elevacio toni est sua demissione acucior sola [nona] parte ipsius demissionis. LmLEngelb. Adm. 2, 26, 2: quod tonus habet duas voces, in quarum una est sua arsis, i. e. elevacio, in alia sua thesis, i. e. demissio.