xi
/ksaɪ/
ot noun
- The 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.
- Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion.
Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.