練炭

煉炭

Reading

Kana: れんたん

Romaji: rentan

Definition

noun

1

briquette (charcoal or coal)

Kanji

練

Readings: レン、 ね.る、 ね.り

Meanings: practice, gloss, train, drill, polish, refine

炭

Readings: タン、 すみ

Meanings: charcoal, coal

煉

Readings: レン、 ね.る

Meanings: refine metals, kneading over fire