過か熱ねつ器きかねつきMeanings1nounsuperheaterA device that heats steam above its saturation point, used in boilers and power plants.ボイラーの過か熱ねつ器きが故こ障しょうすると、蒸じょう気きの温おん度どが下さがる。If the boiler's superheater breaks down, the steam temperature drops.
