coal 意味
EN[kəʊl] [kɔʊl] [-əʊl] [koʊl] [koːɫ]US
日石炭 ウ石炭
- 石炭(せきたん、英:coal)とは、古代の植物が完全に腐敗分解する前に地中に埋もれ、そこで長い期間地熱や地圧を受けて変質(石炭化)したことにより生成した物質の総称。見方を変えれば植物化石でもある。
- 石炭は古くから燃料として使われてきた。特に産業革命以後20世紀初頭まで最重要の燃料として、また化学工業や都市ガスの原料として「黒ダイヤ」「黒いダイヤ」「黒の宝石」等と呼ばれていた。
- しかし1970年代に二度の石油危機で石油がバレル12ドルになると、産業燃料や発電燃料は再び石炭に戻り、米国やドイツや中国などでは現在も最も重要なエネルギー源である。ただし、日本では国内炭鉱は復活しなかった。
- 名詞 (Noun)PLcoals
- (uncountable) A black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
- (countable) A piece of coal used for burning. Note that in British English either of the following examples could be used, whereas the latter would be more common in American English.
- Put some coals on the fire.
- Put some coal on the fire.
- (countable) A type of coal, such as bituminous, anthracite, or lignite, and grades and varieties thereof.
- (countable) A glowing or charred piece of coal, wood, or other solid fuel.
- Just as the camp-fire died down to just coals, with no flames to burn the marshmallows, someone dumped a whole load of wood on, so I gave up and went to bed.
- Charcoal.
- (uncountable) A black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
- 動詞 (Verb)SGcoalsPRcoalingPT, PPcoaled
- (intransitive) To take on a supply of coal (usually of steam ships).
- (intransitive) To be converted to charcoal.
- (transitive) To burn to charcoal; to char.
- (transitive) To mark or delineate with charcoal.
- (transitive) To supply with coal.
- to coal a steamer
- (intransitive) To take on a supply of coal (usually of steam ships).
- より多くの例
- 文の途中で使用される
- The teacher hauled him over the coals for not doing his homework.
- They walled up the basement space that had been used as a coal bin.
- Resinous splinters or rolled paper tapers were kept on the fireboard for candle lighters; also perhaps tongs for the tender-handed pipe lighter who could not handle a live coal in his hands.
- 文の終わに使われる
- I had but little butter, an' that I coost on the coals.
- 文の途中で使用される
Definition of coal in English Dictionary
- 品詞階層 (Part-of-Speech Hierarchy)
- 名詞
- 名詞形
- 複数形
- 不規則な複数形
- 不変名詞
- 不変名詞
- 不規則な複数形
- 名詞複数形
- 不規則な複数形
- 不変名詞
- 不変名詞
- 不規則な複数形
- 複数形
- 不変名詞
- 不規則な複数形
- 不変名詞
- 不変名詞
- 不規則な複数形と名詞
- 不変名詞
- 不変名詞
- 可算名詞
- 絶対単数
- 不可算名詞
- 不可算名詞
- 名詞形
- 動詞
- 自動詞
- 他動詞
- 自動詞
- 名詞
出典: ウィクショナリー