| 释义 |
‖ sesquialtera, a. (n.)|sɛskwɪˈæltərə|
[L., fem. (sc. ratio) of sesquialter (see prec.).]
†1. = sesquialter a. Also as n., a sesquialteral proportion. Obs.
1609J. Dowland Ornith. Microl. 62 Now as of Duples you make Sesquialteraes, so of Triples you may make sesquitertiaes. 1650Bulwer Anthropomet. 150 If you onely contemplate the Diameters of longitude and latitude of a mans Face, you shall find a Sesquialtera proportion.
b. Mus. (See quots. and cf. sesqui- 2 b.)
1501Douglas Pal. Hon. i. xli, Proportionis..Duplat, triplat, diatesseriall, Sesqui altera, and decupla resortis. 1597Morley Introd. Mus. 32 Phi. Come then to Sesquialtera, what is it? Ma. It is when three notes are sung to two of the same kinde. Ibid. 92 The manner of singing Sesquialtra proportion. 1667C. Simpson Compend. Pract. Mus. 34 Figures set thus 3/2 called Sesquialtera proportion, which signifies a Tripla Measure of three Notes to two such like Notes of the Common Time. 1776Hawkins Hist. Mus. I. 67 If the fourth chord was to be..sesquialtera. 1883Rockstro in Grove's Dict. Mus. III. 475/1 Sesquialtera expresses the Proportion of two to three, and therefore represents the Perfect Fifth, which is produced by sounding two-thirds of a given string. Ibid., In rhythmic combinations, Sesquialtera is used as the general symbol of Triple Time. The term Sesquialtera is also applied to passages of three notes sung against two.
2. The name of an organ stop, consisting of several ranks of pipes, of a brilliant tone. Usually absol. as n.
1688in Hopkins Organ (1870) 453 Ecchos... Sesquialtera..105 pipes. 1798E. Hargrove Hist. Knaresboro (ed. 5) 53 The organ hath ten stops, viz. two diapasons,..one susquialtra [etc.]. 1801Busby Dict. Mus. s.v. Stop, Sesquialtera Stop, a mixed stop running through the scale of the instrument, and consisting of three, four, and sometimes five ranks of pipes, tuned in thirds, fifths, and eights. 1883Stainer in Grove's Dict. Mus. III. 475/1 The Sesquialtera organ stop. |