also: クリンカ
noun
cement clinker
Technical term in cement manufacturing: the hard, nodular material produced by heating limestone and clay in a kiln.
セメント工場では、クリンカーを粉砕してセメントを作る。
At cement plants, clinker is ground to produce cement.
noun
Refers to the hard, stony residue left after burning coal or other fuels in a furnace or boiler.
ボイラーの底にクリンカーがたまっていた。
Clinker had accumulated at the bottom of the boiler.