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Anthracite is a very hard, often shiny kind of coal. It burns slowly, with little smoke, and gives a lot of heat. People used it in stoves and for heating homes; compared with softer coal it is the “clean-burning” one. You will meet the word in geography, science, or older writing about mines and winter — not in everyday chat. Though actually, “hard coal” in loose talk is not always precise. Anthracite is the hardest kind of coal, harder and cleaner-burning than the common smokier sorts.
無煙煤
組成Via Latin from Ancient Greek anthrakîtis, “a kind of coal,” from ánthrax, “charcoal.” By the look of the English: anthrac- + -ite (a mineral/rock ending).
同家族的字
- anthraxsame Greek anthrax, “charcoal” (and also “boil”); the disease name and this coal name are cousins, not the same thing
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
anthracitenoun/ˈænθɹəˌsaɪt/
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A form of carbonized ancient plants; the hardest and cleanest-burning of all the coals.
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A dark grey color.
- In the past, when the author was studying, architects only employed a very restricted palette of colours: the white of modernism, black, a “friendly” shade of anthracite and light grey!
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。