落叶剂 luòyèjì defoliant Definitions Defs Origin Strokes Stroke Words Sentences Sents 落叶 落葉 luòyè to drop leaves (of a plant) to shed its leaves; for leaves to fall剂 劑 jì noun medicinal or chemical preparation (bound form) A substance made by mixing ingredients for a specific medical or chemical effect, such as a lotion, catalyst, or disinfectant; often found in words like 药剂 yàojì