| 释义 |
colourless, colorless, a.|ˈkʌləlɪs|
[f. colour n. + -less.]
1. gen. Without colour.
[c1380: see b.] 1660Boyle New Exp. Phys. Mech. xxxvii. 314 Little Bodies, which..are Diaphanous and Colourless. 1756C. Lucas Ess. Waters I. 129 note, Thames water at Richmond is always, in dry weather, perfectly colorless and pellucid. 1878Huxley Physiogr. 77 You obtain a colourless and transparent gaseous body.
b. spec. of the complexion: Without any tinge of red; pallid, blanched.
c1380Sir Ferumb. 1164 Þan was Olyuer al colourless for þe blod þat he had schad. 1842Tennyson Morte D'Arthur 213 His face was white And colourless. 1856Lever Martins of Cro' M. 315 The cheeks colourless.
c. Without bright or conspicuous colour; dull.
1795Southey Joan of Arc ix. 293 Dark on the upland bank The hedge-row trees distinct and colourless Rose on the grey horizon. 1878B. Taylor Deukalion i. iv. 32 A shadowy colorless landscape.
2. fig. Without distinctive character, vividness, or picturesqueness.
1861Sat. Rev. 8 June 585 Particular instances are..substituted for general and colourless terms. 1873Max Müller Sc. Relig. 155 An ancient colourless and unpoetical religion. 1875H. Kingsley No. Seventeen 289 She was a trifle colourless, perhaps, but..always resolute enough.
b. Without any leaning or bias favourable or unfavorable; neutral.
1868Freeman Norm. Conq. (1876) II. vii. 102 The tale is told in a perfectly colourless way. 1880Bright Eng. Hist. 1394 The king..fixed upon..a colourless man, as best fitted to carry on the system. 1883Harper's Mag. Dec. 133/2 The words were colorless in themselves.
3. Particle Physics. Neutral as regards colour (colour n.1 17).
1975Sci. Amer. June 60/3 All versions of the color theory assume that in the known baryons the three colors of quarks are equally represented; as a result the particle exhibits no net color. Similarly, the mesons..are also colorless. Indeed, some physicists have speculated that in nature all particles may be colorless. 1983McGraw-Hill Yearbk. Sci. & Technol. 1984 162/2 Only colorless..combinations are allowed to materialize as hadrons.
Hence ˈcolourlessly adv., in a colourless manner, without brightness or distinctive character.
1883Standard 28 Mar. 3/4 [He] sang well, though rather colourlessly. |