催化剂 cuīhuàjì catalyst Origin Definitions Defs Strokes Stroke Words Sentences Sents 催化 cuīhuà to catalyze to cause or accelerate a chemical reaction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