13

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Definition

  1. Noun:

    • The cardinal number that is the sum of twelve and one: The natural number following 12 and preceding 14. It is represented by the Arabic numeral 13 or the Roman numeral XIII.

  2. Adjective:

    • Being one more than twelve: Used to describe a quantity of exactly thirteen items or units.
Examples of Usage

  • Noun:

    • The number 13 is often considered unlucky in some cultures.
    • There are 13 players on a rugby league team.
    • Twelve plus one equals thirteen.

  • Adjective:

    • She bought thirteen apples.
    • The committee has thirteen members.
    • He will be thirteen years old next week.
Advanced Usage

  • "Baker's dozen": A phrase meaning thirteen items, originating from the historical practice of bakers adding an extra item to a standard dozen to avoid penalties for short measures.

    • I ordered a dozen bagels but received a baker's dozen of thirteen.

  • "Unlucky thirteen" / "Friday the 13th": Common cultural references where the number 13 is associated with bad luck or superstition.

    • Some hotels skip the 13th floor due to superstition.
Variants and Related Words
  • Thirteenth (adjective): Constituting number thirteen in a sequence; 13th.
    • This is my thirteenth attempt.
  • Thirteenth (noun): One of thirteen equal parts; the item in position number thirteen.
    • I only ate a thirteenth of the cake.
    • The thirteenth of the month.
Synonyms
  • XIII (Roman numeral).
  • A dozen plus one (informal).
  • A baker's dozen (informal, specific context).
Related Idioms
  • "Thirteen to the dozen": (British English, informal) Talking very rapidly and incessantly.
    • She was talking thirteen to the dozen about her holiday.
Adjective
  1. being one more than twelve
Noun
  1. the cardinal number that is the sum of twelve and one

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