(a) a ball made of coal dust, for use as fuel (now rare); (b) Geology a rounded mass of calcite or pyrite containing fossilized plant remains…
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| 单词 | θ217205 |
| 释义 | society > occupation and work > materials > fuel > coal or types of coal > [noun] > coal-derived fuel (12) coal ball1603 (a) a ball made of coal dust, for use as fuel (now rare); (b) Geology a rounded mass of calcite or pyrite containing fossilized plant remains… pipe-coal1612 (a) powdered coal or coal dust formed into tubular briquettes; (b) coal occurring in seams a few inches thick. hotshot1673 A ball of clay and coal, used as fuel. Obsolete. rare. hotshoot1704 = hotshot, n. 2. fireball1735 A compact ball of combustible material for use in kindling fires; a ball-shaped firelighter. Obsolete. brickette1806 A small block of compressed coal dust or other combustible material used as fuel; esp. a typically pillow-shaped block of compressed fuel for… briquette1884 A block of compressed coal-dust, usually with addition of a binding substance such as pitch. coal slurry1912 = slurry, n. 1b. slurry1913 spec. A mixture of water and fine particles of coal, produced esp. as a by-product of the washing of coal; such material in dried form, used as fuel. semi-coke1918 a smokeless fuel that leaves little ash, made from coal by carbonization at a low temperature (usually 500–600°C). Phurnacite1937 A kind of smokeless fuel made by carbonizing briquettes at relatively low temperatures. syncrude1971 a synthetic product made from coal in imitation of crude oil; also as adj. |
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