upsilon
/ˈ(j)uːpsɪˌlɒn//ˈ(j)upsɪˌlɑn/
词源链
- 英语English
upsilon
词源说明
From Ancient Greek ὖ ψιλόν (û psilón, “simple Υ”).
释义
名词noun
- 1The twentieth letter of Classical and Modern Greek; the twenty-second letter of Old and Ancient Greek.
- 2(particle physics) An upsilon meson, or bottomonium.