調ちょう整せい剤ざい

noun

adjustor; regulator; modifier; conditioning agent

Technical term in chemistry for a substance added to adjust, regulate, or modify a process or property.

• この調ちょう整せい剤ざいはpHを安あん定ていさせるために使つかわれる。

  This regulator is used to stabilize the pH.

• 塗と料りょうに調ちょう整せい剤ざいを加くわえると粘ねん度どが変かわる。

  Adding a modifier to the paint changes its viscosity.