Meaning & Definition of word "Xi"

Xi

/zaɪ/

1. The 14th letter of the Greek alphabet, often used in mathematics and science.
- Example: In the equation, xi represents the unknown variable.
2. A symbol used to represent a random variable in statistics or mathematics.
- Example: The random variable xi can take on any value in the defined range.
3. A term used in various contexts such as gaming or coding to signify a specific character or action.
- Example: In the game, 'xi' is a character known for its agility and speed.

From the Greek letter 'xi', which is derived from the Phoenician letter 'x (samekh)'.

xi decay:

A term used in particle physics referring to the decay of a xi baryon.

xi particle:

A baryon in particle physics that contains strange quarks.

xi baryon:

A type of baryon containing at least one strange quark.

xi variable:

Often used in statistical or mathematical contexts.

Meaning: Xi is sometimes used in gaming to refer to a player who is exceptionally skilled.

Example Sentence: That player is such a xi; they always win!

Meaning: In some online communities, 'xi' can refer to exclusive insider knowledge or tips.

Example Sentence: Only the xis know the best strategies for this game.