noun
coal cinders; coal clinker
Refers to the solid residue left after burning coal, often used in contexts like stoves, boilers, or industrial waste.
石炭殻を捨てる場所を探している。
I'm looking for a place to dispose of the coal cinders.
ストーブの石炭がらを掃除した。
I cleaned out the coal cinders from the stove.
Compound of 石炭 (coal) and 殻 (husk/shell), literally 'coal husk', referring to the leftover shell-like residue after burning.