noun
thermal discharge; warm water discharge
Technical term used in environmental and engineering contexts, referring to heated water released from power plants or industrial facilities into natural water bodies.
原子力発電所からの温排水が海洋生態系に与える影響が懸念されている。
There are concerns about the impact of thermal discharge from nuclear power plants on marine ecosystems.
Compound of 温 (on, 'warm') and 排水 (haisui, 'drainage, discharge').