What does xi mean?

Definitions for xi
zaɪ, saɪ; Gk. ksixi

This dictionary definitions page includes all the possible meanings, example usage and translations of the word xi.

Princeton's WordNet

  1. eleven, 11, XInoun

    the cardinal number that is the sum of ten and one

  2. xiadjective

    the 14th letter of the Greek alphabet

  3. eleven, 11, xiadjective

    being one more than ten


  1. xinoun

    The name for the 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.

  2. xinoun

    Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion.

  3. Xinoun

    of east Asian derivation.

  4. Etymology: From ξεῖ, ξῖ.


  1. xi

    The term "Xi" can have different meanings depending on the context: 1. In Greek Alphabet: "Xi" is the 14th letter of the Greek alphabet. It is typically used in scientific and mathematical contexts. 2. In Mathematics: "Xi" is often used to represent a random variable, or an unknown value. 3. In Physics: "Xi" is used to represent one of the types of baryon particles in particle physics. 4. In Chinese culture: "Xi" is often used as a first name or last name, and also represents the number eleven. 5. In computing: "Xi" can refer to a text editor. Without a more specific context, it's difficult to provide a definitive definition. Please indicate more context if you're referring to a specific use of the term "Xi".


  1. Xi

    Xi is the 14th letter of the Greek alphabet. It is pronounced in Modern Greek, and generally or in English. In the system of Greek numerals, it has a value of 60. Xi was derived from the Phoenician letter samekh . Xi is not to be confused with the letter chi, which gave its form to the Latin letter X.

Suggested Resources

  1. xi

    The xi symbol -- In this Symbols.com article you will learn about the meaning of the xi symbol and its characteristic.

Surnames Frequency by Census Records

  1. XI

    According to the U.S. Census Bureau, Xi is ranked #25620 in terms of the most common surnames in America.

    The Xi surname appeared 963 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 would have the surname Xi.

    96.5% or 930 total occurrences were Asian.
    1.7% or 17 total occurrences were White.
    0.7% or 7 total occurrences were of two or more races.
    0.7% or 7 total occurrences were of Hispanic origin.

Matched Categories

How to pronounce xi?

How to say xi in sign language?


  1. Chaldean Numerology

    The numerical value of xi in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of xi in Pythagorean Numerology is: 6

Popularity rank by frequency of use


Translations for xi

From our Multilingual Translation Dictionary

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"xi." Definitions.net. STANDS4 LLC, 2024. Web. 22 Jun 2024. <https://www.definitions.net/definition/xi>.

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    cause to feel shame; hurt the pride of
    A abduct
    B abase
    C rumpus
    D loom

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