| 单词 | coal |
| 释义 | coal n. & v. --n 1. a a hard black or blackish rock, mainly carbonized plant matter, found in underground seams and used as a fuel and in the manufacture of gas, tar, etc. b Brit. a piece of this for burning. 2. a red-hot piece of coal, wood, etc. in a fire. --v 1. intr. take in a supply of coal. 2. tr. put coal into (an engine, fire, etc.). Phrases and idioms coal-bed a stratum of coal. coal-black completely black. coal-fired heated or driven by coal. coal gas mixed gases extracted from coal and used for lighting and heating. coal-hole Brit. a compartment or small cellar for storing coal. coal measures a series of rocks formed by seams of coal with intervening strata. coal oil US petroleum or paraffin. coal-sack 1. a sack for carrying coal. 2. a black patch in the Milky Way, esp. the one near the Southern Cross. coal-scuttle a container for coal to supply a domestic fire. coal-seam a stratum of coal suitable for mining. coals to Newcastle something brought or sent to a place where it is already plentiful. coal tar a thick black oily liquid distilled from coal and used as a source of benzene. coal-tit (or cole-tit) a small greyish bird, Parus ater, with a black head: also called COALMOUSE. haul (or call) over the coals reprimand. Derivatives coaly adj. Etymology: OE col f. Gmc |
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