膨松剂 péngsōngjì leavening agent Definitions Defs Origin Strokes Stroke Words Sentences Sents 膨松 膨鬆 péngsōng fluffy expanded and soft; light and loose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