拟卤素 nǐlǔsù pseudohalogen Origin Definitions Defs Strokes Stroke Words Sentences Sents 拟 擬 nǐ pseudo- A prefix meaning quasi- or artificial; used to describe things that are similar to but not exactly the original thing卤素 鹵素 lǔsù halogen halogen; any of the five elements fluorine, chlorine, bromine, iodine, and astatine, also known as the 卤族 lǔzú