xiii

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Definition

  1. Adjective:

    • Being one more than twelve; representing the quantity 13.

  2. Noun:

    • The cardinal number that is the sum of twelve and one; the figure or symbol representing this number (13, XIII).
Usage
  • Adjective: Used to describe a quantity of thirteen items, units, or members.
  • Noun: Used to refer to the number itself, either as a concept or a numeral.
Examples
  • Adjective:
    • The committee is composed of xiii members.
    • He found xiii coins in the old jar.
  • Noun:
    • The Roman numeral for thirteen is XIII.
    • She wrote the number as xiii in lowercase Roman numerals.
Advanced Usage
  • In sequences: Often used in formal lists, outlines, or monarchical/ecclesiastical titles (e.g., , ).
  • In historical/formal contexts: The Roman numeral form (XIII) is frequently used in the names of centuries, book volumes, or major events (e.g., , ).
Variants and Related Words
  • Thirteen: The more common Arabic numeral and word form for the number 13.
  • 13: The standard Hindu-Arabic numeral representation.
  • Baker's dozen: An idiom meaning thirteen, originating from a historical practice of bakers adding an extra item to a standard dozen to avoid penalties for short measures.
Synonyms
  • Thirteen
  • A dozen plus one (informal)
Related Phrases
  • Unlucky thirteen: A common superstition in some cultures where the number 13 is considered unlucky.
  • Friday the thirteenth: A date considered particularly unlucky in Western superstition.
Adjective
  1. being one more than twelve
Noun
  1. the cardinal number that is the sum of twelve and one

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