What is the meaning of Xi?

, the Roman numeral eleven (11)

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.

to begin, start

nonstandard spelling of

nonstandard spelling of

nonstandard spelling of

nonstandard spelling of

water

xi (letter of the Greek alphabet)

xi (Greek letter)

the name of the Greek-script letter Ξ/ξ

  1. xi

xi

some

any

alternative form of x’

indicates that something has failed

indicates that someone is in trouble

alternative spelling of csi

xi; the Greek letter Ξ, ξ

shoe polish

Source: wiktionary.org