抗こう発はっ泡ぽう剤ざいMeanings1nounanti-foaming agent; defoamerrare termTechnical term used in industrial and chemical contexts. Rare in everyday language.この洗せん剤ざいには抗こう発はっ泡ぽう剤ざいが含ふくまれている。This detergent contains an anti-foaming agent.