| 释义 |
branched, ppl. a.|brɑːnʃt, -æ-|
[f. branch n. and v. + -ed.]
1. Provided with branches. lit. and fig. (Cf. senses of the n.; often combined with numeral or other adjs., as double-branched, five-branched, many-branched.)
c1350Will. Palerne 753 Vnder a tri appeltre..þat was braunched ful brode. 1567J. Studley Seneca's Hippolytus (1581) 56 The Elme displayes his braunched armes. 1668Wilkins Real Char. 157 A double branched brow-antler. 1841Mrs. Browning House Clouds 29 A spacious hall..Branched with corridors sublime. 1877R. J. More Under Balkans, A lighted triple-branched wax taper.
†2.
a. Divided, distributed; descended (from a family or an ancestor). (Cf. branch v. 3–5.) Obs.
1429Pol. Poems (1859) II. 141 Royal braunched, descended from two lynes.
b. Adorned with a figured pattern in embroidery, gilding, chasing, etc. Cf. branch v. 6.
1509Hawes Past. Pleas. xxvii. xxxii, The rofe was braunched curiously Of the beten golde both gaye and glorious. 1552H. W. King Invent. Ch. Goods (1885) 15 A cope of blew and Braunched Damaske..xxs. 1601Shakes. Twel. N. ii. v. 54 Calling my Officers about me, in my branch'd Veluet gowne. 1703Lond. Gaz. No. 3895/4 Seven Silver Spoons..branched on the tops.
3. Hence in Arch. branched work, the carved foliage on friezes and monuments.
4. Chem. branched chain: an open chain (chain n. 5 g) of atoms having one or more side chains. Freq. attrib.
1889G. M'Gowan tr. Bernthsen's Text-bk. Org. Chem. i. 43 The boiling point becomes lowered continuously the more the carbon atom chain is branched. 1903A. J. Walker tr. Holleman's Text-bk. Org. Chem. I. 46 In branched chains there are carbon atoms which are directly linked to three or four others. Ibid., Branched-chain compounds are often distinguished by the prefix iso. 1939Jrnl. R. Aeronaut. Soc. XLIII. 42 Straight-run petrols..and branched-chain paraffins are the outstandingly useful aviation fuels. 1946Nature 14 Dec. 863/1 One fundamental approach to this problem was based on fatty acids with branched-chains. |