“煤炭”一词最早出现于明代吗?

Did the Term “Coal” First Appear in the Ming Dynasty?

通过对元代史料的分析,以及当时采矿和冶铸业的情况得出一些结论,改变传统观点认为"煤炭"一词最早出现于明代的说法。

By analyzing the historical materials and the conditions of mining and metallurgy industries of the Yuan dynasty, the author tries to change the traditional opinion that the term 'coal' first appeared in the Ming dynasty.