荧光剂 yíngguāngjì fluorescent agent Definitions Defs Origin Strokes Stroke Words Sentences Sents 荧光 熒光 yíngguāng noun fluorescence fluorescence; fluorescent light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