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单词 schisma
释义

schisman.

/ˈskɪzmə/
Forms: Plural schismata. Also 1800s skhisma.
Etymology: late Latin schisma ‘dimidium commatis’ (Boëthius, quoting Philolaus), a special use of Greek σχίσμα division: see schism n.
Acoustics.
A term denoting a small interval of musical pitch: (a) (in ancient Greek use) the half of a comma (obsolete); (b) (by Descartes and some later writers applied to) the difference between a major and a minor tone; = comma n. 3(a) (obsolete); (c) the difference between a diaschisma and a syntonic comma, represented by the ratio 32.805:32.768.
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society > leisure > the arts > music > musical sound > pitch > interval > [noun] > microtones > comma
comma1597
schism1653
schisma1753
syntonic comma1944
society > leisure > the arts > music > musical sound > pitch > interval > [noun] > microtones > half comma
schisma1753
society > leisure > the arts > music > musical sound > pitch > interval > [noun] > microtones > others
limma1694
apotome1696
diaschisma1753
schisma1753
schist1875
1653 Ld. Brouncker tr. R. Descartes Excellent Compend. Musick 30 A certaine Fraction, which may be the difference betwixt a Tone major and a Tone minor, which we nominate a Schism [L. quam schisma nominamus].]
1753 Chambers's Cycl. Suppl.
1875 A. J. Ellis tr. H. L. F. von Helmholtz On Sensations of Tone iii. xiv. 431 (note) This substitution..amounts to a temperament with perfect Fifths, and major Thirds too flat by a skhisma, or nearly the eleventh of a comma.
1876 C. Brown Mus. Common Things ii. 38 Between all enharmonic changes,..the interval of the schisma always occurs, 32,768: 32,805, the difference being 37.
1876 J. Stainer & W. A. Barrett Dict. Musical Terms 387/2 Schisma,..an approximate half of a Pythagorean comma, that is, half of the difference between twelve-fifths and seven octaves.
1885 A. J. Ellis tr. H. L. F. von Helmholtz On Sensations of Tone (ed. 2) Addit. 432 Twelve Fifths up and seven Octaves down give the sum of a Comma and a Skhisma, known as the Pythagorean Comma.
This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2022).
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