thirteen

/'θə:'ti:n/
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thirteen

A child counts thirteen colorful marbles on the floor.

Definition
  1. Adjective:
    • Being one more than twelve; the number 13.
  2. Noun:
    • The cardinal number that is the sum of twelve and one; the figure or symbol representing this number.
Examples
  • Adjective:
    • There are thirteen students in the class.
    • She celebrated her thirteenth birthday last week.
  • Noun:
    • The answer to the equation is thirteen.
    • He wrote the number thirteen on the board.
Advanced Usage
  • "The thirteen original colonies": A historical term referring to the British colonies that declared independence to form the United States of America.
    • We studied the history of the thirteen original colonies in class.
  • "Baker's dozen": An idiom meaning thirteen items, originating from the practice of bakers adding an extra item to a dozen to avoid penalties for short measures.
    • I asked for a dozen bagels, but they gave me a baker's dozen, which is thirteen.
Variants and Related Words
  • Thirteenth (adj.): Constituting number thirteen in a sequence; the ordinal form.
    • This is the thirteenth time I've called you.
  • Thirteenth (n.): One of thirteen equal parts; the position following the twelfth.
    • A thirteenth of the profits will be donated to charity.
Synonyms
  • XIII (Roman numeral).
  • A dozen plus one (informal).
Related Phrases
  • Unlucky thirteen: A superstitious belief that the number thirteen brings bad luck.
    • Some hotels skip the thirteenth floor due to the belief in unlucky thirteen.
thirteen

A child counts thirteen colorful marbles on the floor.

Adjective
  1. being one more than twelve
Noun
  1. the cardinal number that is the sum of twelve and one