沉淀剂 chéndiànjì precipitating agent Definitions Defs Origin Strokes Stroke Words Sentences Sents 沉淀 沉澱 chéndiàn to precipitate to settle; to precipitate; to sink to the bottom of a liquid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