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单词 anthracite
释义

WordReference Random House Learner's Dictionary of American English © 2024
an•thra•cite /ˈænθrəˌsaɪt/USA pronunciation   n. [uncountable]
  1. Mininga hard coal that burns slowly with little smoke or flame.

WordReference Random House Unabridged Dictionary of American English © 2024
an•thra•cite  (anthrə sīt′),USA pronunciation n. 
  1. Mininga mineral coal containing little of the volatile hydrocarbons and burning almost without flame; hard coal. Also called anthracite coal′. 
  • Latin (Pliny) anthracītis kind of coal. See anthrac-, -ite1
  • French
  • probably 1810–15
an•thra•cit•ic  (an′thrə sitik),USA pronunciation an•thra•cit•ous  (anthrə sī′təs),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
anthracite /ˈænθrəˌsaɪt/ n
  1. 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 × 107 J/kg
    Also called: hard coal
Etymology: 19th Century: from Latin anthracītes type of bloodstone, from Greek anthrakitēs coal-like, from anthrax coal, anthrax

anthracitic /ˌænθrəˈsɪtɪk/ adj
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更新时间:2024/11/11 6:11:53