| 释义 |
valved, a.|vælvd|
[f. valve n.]
1. With limiting terms:
a. Of a door: Having (so many) leaves. rare.
1676Hobbes Iliad 375 In the pale a high two-valved door For chars and waggons to go in and out.
b. Bot., etc. Having (so many) valves.
See also two-valved s.v. two a.
1771Encycl. Brit. I. 637/2 Siliqua, is a double-valved pericarpium. 1796Withering Brit. Plants (ed. 3) III. 867 Capsule 4-valved: seeds roundish. 1831South Otto's Path. Anat. 74 There are some which..live for protection..even in the double-valved muscles. 1847W. E. Steele Field Bot. 73 Fruit mostly a dry or fleshy capsule, 1 or many-celled and valved.
2. Provided with a valve or valves, in various senses. Also fig.
1793Martyn Lang. Bot., Valvatum petalum, a valved petal. 1842Francis Dict. Arts, Valved, any thing that opens upon hinges or to which a valve of any kind is attached. 1852Th. Ross tr. Humboldt's Trav. I. i. 12 We made several experiments by means of a valved thermo⁓metrical sounding lead, on the temperature of the ocean. 1856M. C. Clarke tr. Berlioz's Treatise Mod. Instrumentation (1858) 146/2 Valved trumpets,—called so on account of a movable valve similar to that of the trombone, and which is moved by the right hand,—are adapted to produce the truest intervals. 1873Routledge's Young Gentl. Mag. Feb. 170/1 A complete set of valved instruments, consisting chiefly of cornets, clavicors, and trombones. 1899Allbutt's Syst. Med. VII. 254 The blood is returned to the heart by means of muscular movements acting on the valved veins. 1923D. H. Lawrence Birds, Beasts & Flowers 26 To me, all faces are dark, All lips are dusky and valved. 1927Bull. U.S. Nat. Museum No. 136. 51 A valved trumpet marked ‘alto B flat’... It has three rotary valves. 1970J. Earl Tuners & Amplifiers 7 This book is concerned essentially with transistored equipment, for the days of the valved amplifiers and tuners have now gone for ever. |