엔진이나 원자로 등의 시스템에서 발생하는 열을 흡수하여 온도를 낮추는 데 사용하는 물질.
A substance, typically a liquid or gas, used to reduce or regulate the temperature of a system, such as an internal combustion engine or a nuclear reactor.
예문:
"The technician added more coolant to the car's radiator to prevent the engine from overheating during the long trip."
"Helium is often utilized as a gaseous coolant in certain types of high-temperature nuclear reactors."
"A leak in the coolant system can lead to catastrophic failure of the power plant's core."
금속 가공 시 공구와 가공물 사이의 마찰을 줄이고 열을 식히기 위해 사용하는 액체.
A fluid applied to a cutting tool or workpiece during machining to reduce friction and dissipate heat.
예문:
"The CNC machine sprays a steady stream of coolant onto the drill bit to maintain precision and tool longevity."
"Without proper coolant, the friction from the lathe would cause the metal part to warp."