noun
fusible alloy
Technical term for an alloy with a low melting point, used in engineering and manufacturing.
可融合金は、低い温度で溶けるため、安全装置に使われる。
Fusible alloys are used in safety devices because they melt at low temperatures.
Compound of 可融 (かゆう, 'fusible') + 合金 (ごうきん, 'alloy'). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.