1
- the twenty-second letter of the Greek alphabet (Χ, χ), transliterated as 'kh' or 'ch'希腊字母表中第二十二个字母（译写为kh或ch）。
1.1
Chi
followed by Latin genitive Astronomy the twenty-second star in a constellation【天文】χ星（星座中第二十二颗星）：Chi Ophiuchi.
蛇夫座χ星。
词源
Greek.