剤ざい Noun English jmdict 1 noun medicine;agent;(chemical) substance;drug;dose イースト菌はパンを膨らませる際の作用剤だ。 Yeast acts as an agent in making bread rise.
清澄剤せいちょうざい Noun English jmdict 1 noun (common) (futsuumeishi) clarifying agent;clarificant;clarifier;clearing agent;fining agent