融ゆう剤ざい

noun

flux; fusing agent

Technical term in metallurgy, ceramics, and chemistry: a substance added to lower the melting point of a solid mixture.

• 融ゆう剤ざいを加くわえると、金きん属ぞくの融ゆう点てんが下さがります。

  Adding a flux lowers the melting point of the metal.