xi
noun[CorU]
language,mathematics,scienceuk/saɪ/us/saɪ/(symbolΞ,ξ)the 14thletterof theGreekalphabet
（希腊语字母表的第14个字母）Letters of alphabets
- A, a
- alphabet
- alphabetic
- alphabetical
- alphabetically
- alphabetization
- alphanumeric
- alphanumerically
- delta
- gamma
- H, h
- I, i
- iota
- J, j
- K, k
- Q, q
- rho
- S, s
- sigma
- T, t