cannel

can.nel

n.（名词）
A bituminous coal that burns brightly with much smoke.
烛煤：一种能充分燃烧同时产生大量烟的烟煤

来源：
Perhaps short for cannel coal
可能为 cannel coal的简写
dialectal variant of candle coal [from its bright flame]
candle coal的方言变体 [以其明亮的火焰命名]