| 单词 | duff coal |
| 释义 | > as lemmasduff coal Coal in the form of small particles and dust; small coal, slack. Also duff coal. ΘΚΠ society > occupation and work > materials > fuel > coal or types of coal > [noun] > small, refuse, impure, or coal-dust slackc1440 smith coal1466 smithy coal1482 coal dusta1529 panwood1531 smith's coal1578 kirving1599 culm1603 coom1611 small coal1643 smit1670 smut1686 slag1695 duff1724 duff coal1724 small1780 gum1790 stinking coal1803 cobbles1811 nubbling1825 stinkers1841 rubble1844 pea1855 nuts1857 nut coal1861 slap1865 burgee1867 smudge1883 waste1883 treble1901 coal smut1910 gumming1938 nutty slack1953 1724 R. Hall Observ. Methods used in Holland 62 (caption) The Pott with Duff-coal to melt the Wax-thread, when laping in the Splits. 1843 Newcastle Jrnl. 22 Apr. 2/8 It appears that the plan of using duff, or small coal, for fuel, was discovered by Dr. Reid Clanny, of Sunderland. 1887 Pall Mall Gaz. 2 Nov. 6/1 One ton of common duff coal..has generated as much steam as two tons of good bituminous coal. 1925 H. M. Cadell Rocks W. Lothian 353 The mixed coal from the pit is now cleaned, washed, separated out and classified into round coal, ‘nuts’ of various sizes, ‘pearls’ and ‘duff’. 1996 Mining Mag. (Nexis) Oct. 206 Anglovaal has established Duffco to produce low-smoke, low-smell briquettes from duff coal for household use. 2010 G. Blight Geotechnical Engin. for Mine Waste Storage Facilities v. 176 The duff had a loose dry density of 770 kg/m3. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。