毒剂 dújì poisonous agent Definitions Defs Origin Strokes Stroke Words Sentences Sents 毒 dú adjective poisonous poisonous; venomous; containing harmful substances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