| 释义 |
▪ I. surbased, a. Arch.|sɜːˈbeɪst|
Also 8 surbast.
[repr. F. surbaissé, f. sur- exceedingly = super- 9 b + baissé lowered.]
surbased arch, an arch whose rise is less than half the span. So surbased dome.
1763Gray Let. to Mason 8 Feb., Roger's own tomb..has..a wide surbased arch with scalloped ornaments. 1793Gentl. Mag. May 422/1 Under each chancel window, nearest the East end, is a surbast arch. 1825J. Nicholson Oper. Mech. 540 The semicircular are called perfect arches, and those less than a semicircle, imperfect, surbased, or diminished arches. Arches are also called surmounted, when they are higher than a semicircle.
So surˈbasement [F. surbaissement], the condition of being surbased.
1833Crabb Dict. Gen. Knowl. (ed. 3), Surbasement, the trait of any arch..that describes a portion of an ellipsis.
▪ II. ˈsurbased, pa. pple. Arch.
[f. surbase + -ed2.]
Provided with a surbase.
1791Oxf. Archd. Papers MS. Oxon. b. 26, lf. 177 b (Bodl. Libr.), Two Chambers..to be Skirted and Sirbaced. 1818Todd [erroneously citing quot. 1763 s.v. surbased a.] Hence in mod. dicts. |