石炭(せきたん)

せきたん
noun
coal
1. coal
A black or brownish-black solid fossil fuel used for heating and power generation.
石炭(せきたん)は化石燃料(かせきねんりょう)の一(ひと)つだ。
Coal is one of the fossil fuels.
昔(むかし)は石炭(せきたん)で暖房(だんぼう)していた。
In the old days, people heated with coal.
石炭(せきたん)火力(かりょく)発電(はつでん)は環境(かんきょう)に悪(わる)い。
Coal-fired power generation is bad for the environment.

Related ENERGY/FUEL terms

Common collocations

Etymology

Coal mining was once a major industry in Japan, particularly in Kyushu and Hokkaido, but most mines have closed due to cheaper imports and environmental concerns.

Related Words

Related: 石油(せきゆ) (petroleum)
Compare: 木炭(もくたん) (charcoal (wood-based))
Related: 天然(てんねん)ガス (natural gas)
Related: 化石燃料(かせきねんりょう) (fossil fuel)
Related: 再生(さいせい)可能(かのう)エネルギー (renewable energy)
Related: 炭鉱(たんこう) (coal mine)
general
Added 2026.1.12 21:48 · Revised 2026.9.2 12:02
03500/03755_sekitan