XI

Thân thiện

Definition

1. Noun:

   • The 14th letter of the Greek alphabet (Ξ, ξ): The 14th letter in the standard sequence of the Greek alphabet.
   • The cardinal number that is the sum of ten and one: The number 11, represented by this symbol in a Greek numeral context.

2. Adjective:

   • Being one more than ten: A word describing the quantity 11.

Examples of Usage

• Noun (Greek letter):

  • In the Greek word 'ξένος' (xenos), the initial sound is represented by xi.
  • The uppercase form of xi (Ξ) is rarely used in modern Greek.

• Noun (Number):

  • In ancient Greek numerals, xi denoted the value eleven.

• Adjective:

  • The xi chapter of the fraternity is very active. (Here, 'xi' is used attributively to denote the 11th in a series).

Advanced Usage

• In Mathematics and Science: The lowercase xi (ξ) is commonly used as a variable or symbol in various scientific fields, such as physics (e.g., a damping ratio) or mathematics.
  • The parameter ξ was crucial to the equation's solution.

Variants and Related Words

• Fourteen: The ordinal number corresponding to xi's position in the alphabet is "fourteenth."
• Eleven: The cardinal number equivalent to the numeric value of xi.

Synonyms

• Eleven: The common English word for the number 11.
• 11: The numeric representation.

Notes

• As a borrowed term from Greek, 'xi' is primarily used in scholarly, scientific, or fraternal/organizational contexts referring to the Greek letter or its numeric value. It is not typically used in everyday English to mean "eleven."

Học thuật

Adjective

1. being one more than ten

Noun

1. the 14th letter of the Greek alphabet
2. the cardinal number that is the sum of ten and one

Từ đồng nghĩa

• eleven
• 11
• XI