psi
/psaɪ/noun
1
- the twenty-third letter of the Greek alphabet (Ψ,ψ), transliterated as 'ps'希腊字母表中第二十三个字母（译写为ps）。
1.1
Psi
followed by Latin genitive Astronomy the twenty-third star in a constellation【天文】ψ星（星座中第二十三颗星）：Psi Aquarii.
宝瓶座ψ星。
2
- mass noun supposed parapsychological or psychic faculties or phenomena超心理能力（或现象）。
词源
Greek.