氥 xī xenon Definitions Defs Origin Strokes Stroke Words Sentences Sents 氥 xī xenon (bound form) (old) a chemical element, now known as 氙 xiān Cross-References See 氙 xiān Frequency Written text 0.006 per million Details Strokes 10 Unicode U+6C25 Sources Frequency data BCC Corpus (BLCU)