| 释义 |
demi-circle|ˈdɛmɪˌsɜːk(ə)l|
[demi- 10.]
1. A semicircle. Now rare.
1654Evelyn Mem. (1857) I. 308 Mathematical and magical curiosities..a balance on a demi-circle. 1662Gerbier Princ. 2 How a Point, Line, Angle, Demi-circle..must be made. 1726Cavallier Mem. iii. 185 The Hill being in the form of a Demi-Circle. 1864Boutell Heraldry Hist. & Pop. xxi. §11. 370 A demi-circle of glory edged with clouds.
2. Surveying. An instrument of semicircular form used for measuring angles.
1874Knight Dict. Mech., Demi-circle..a modest substitute for the theodolite.
Hence demi-ˈcircular a., semicircular.
1821Lockhart Valerino I. ix. 146 The party might consist of about twenty, who reclined along one demi-circular couch. |
