| 单词 | anthracite |
| 释义 | Word Frequency anthracite(ˈænθrəˌsaɪt) noun a hard jet-black coal that burns slowly with a nonluminous flame giving out intense heat. Fixed carbon content: 86–98 per cent; calorific value: 3.14 × 107–3.63 × 107J/kg Also called: hard coalDerived forms anthracitic (ˌænθrəˈsɪtɪk) adjective Word origin C19: from Latin anthracītes type of bloodstone, from Greek anthrakitēs coal-like, from anthrax coal, anthrax |
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