粘ねん結けつ炭たん

ね

ん

け

つ

た

ん

Meanings

1

noun

coking coal; caking coal

Technical term used in coal industry and metallurgy for coal that softens and agglomerates when heated, suitable for coke production.

製せい鉄てつ所じょでは粘ねん結けつ炭たんを高こう温おんで処しょ理りしてコークスを作つくる。
At steel mills, coking coal is processed at high temperatures to produce coke.

sticky, glutinous, greasy

結tie, bind, contract

炭charcoal, coal

Similar words

コークス
コークス is the solid carbonaceous material produced from 粘結炭 after heating in the absence of air.
一いっ般ぱん炭たん
一般炭 (thermal coal) is used for power generation and does not have the caking property of 粘結炭.

Etymology

Compound of 粘結 (caking, binding) and 炭 (coal). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.