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Definition of Xi
1. Adjective. Being one more than ten.
2. Noun. The cardinal number that is the sum of ten and one.
3. Noun. The 14th letter of the Greek alphabet.
Group relationships: Greek Alphabet
Generic synonyms: Alphabetic Character, Letter, Letter Of The Alphabet
Generic synonyms: Alphabetic Character, Letter, Letter Of The Alphabet
Definition of Xi
1. Proper noun. (surname common from=Chinese dot=) of east Asian derivation. ¹
2. Noun. The name for the 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek. ¹
3. Noun. (particles) Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion. ¹
¹ Source: wiktionary.com
Definition of Xi
1. a Greek letter [n -S]