What it means
The twentieth Greek letter, rarely used because it is easy to mistake for u or v. Capital Υ names the upsilon meson in particle physics.
Read aloud in real formulas
Υ
Aethel says
capital upsilon
the name of a family of mesons made of a bottom quark and its antiquark
Typing it
- LaTeX
- \upsilon, \Upsilon
- Unicode
- U+03C5, U+03A5
Questions
How do you pronounce upsilon (υ)?
It is said “upsilon”, roughly OOP-sih-lon or UP-sih-lon.
What does υ mean in maths?
The twentieth Greek letter, rarely used because it is easy to mistake for u or v. Capital Υ names the upsilon meson in particle physics.
How do you type υ?
In LaTeX, write \upsilon, \Upsilon. Its Unicode code point is U+03C5, U+03A5.