落らく葉よう剤ざいMeaningsNoun1. defoliantKanji used落fall down葉leaf剤chemical substancePitch accentらくようざいComposed of落らく葉ようfallen leaves; leaf litter; falling leaves; leaf fall; dropping leaves; defoliation; deciduousNoun剤ざいmedicine; agent; (chemical) substance; drug; doseSuffix