| 单词 |
cylindrical |
| 释义 |
cylindrical, a.|sɪˈlɪndrɪkəl|
[as prec. + -al1.]
1. Of the form of a cylinder.
cylindrical epithelium = cylinder or columnar epithelium. cylindrical eye: an astigmatic eye. cylindrical lens: a lens of the form of a cylinder, or of which one or both surfaces are portions of cylindrical surfaces. cylindrical vault: ‘one in the shape of the segment of a cylinder’ (Gwilt).
1646Sir T. Browne Pseud. Ep. iii. i. 106 The grosse and somewhat Cylindricall composure of the legs. 1660Boyle New Exp. Phys.-Mech. Proem 13 The Cylindrical cavity. 1831Brewster Optics xxxiii. §163. 275 Particles of hail, some..globular and others cylindrical.
2. Of, pertaining, or relating to a cylinder.
cylindrical projection: a form of projection (in maps, etc.) in which part of a spherical surface is projected upon the surface of a cylinder, which is then unrolled into a plane. (Cf. conical projection.) cylindrical machine: a cylinder (printing) machine.
1656Blount Glossogr., Cylindrical, pertaining to, or like a Cylinder. 1862Rep. of Juries, Exhibition 1862 XXVIII. C 4 The French cylindrical machines are very excellent. 1866Proctor Handbk. Stars 38 note, Mercator's projection is an instance of cylindrical projection, but on a principle altogether distinct.
Hence cyˈlindrically adv.; cyˈlindricalness.
1656J. Sergeant tr. White's Peripat. Inst. 84 It distends these fibres, and..makes them enwrap one another, as it were, cylindrically, like a bark. 1766Lane in Phil. Trans. LVII. 452 The pillar of the Electrometer, made of wood, bored cylindrically about 2/3 of its length. 1727Bailey vol. II, Cylindricalness, the being of a cylindrical Form. |
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