Greek Capital Letter Xi
Part of Greek Letters
Greek Capital Letter Xi has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- Ξ
- Unicode
- U+039E
About this symbol
Ξ, xi, is one of the few Greek letters with no Latin descendant: it stands for the sound ks, which Latin wrote with X. In physics it names the Xi baryons, particles discovered in the 1950s and 1960s.
Unicode facts
- Official name
- GREEK CAPITAL LETTER XI
- Type
- Uppercase letter
- Unicode block
- Greek and Coptic
- Unicode group
- Letters
- Added in
- Unicode 1.1 (1993)
Click the symbol or any value at the top of the page to copy it. See the full Greek Letters chart for related characters.