xi
Meaning
- 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.
Frequency
Pronounced as (IPA)
/zaɪ/
Etymology
From Ancient Greek ξεῖ (xeî), ξῖ (xî).
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Notes
