Roman numeral

noun

Definition of Roman numeral

: a numeral in a system of notation that is based on the ancient Roman system — see Table of Numbers

Examples of roman numeral in a Sentence

  1. In Roman numerals “X” is equal to the number 10.

First Known Use of roman numeral

circa 1638

in the meaning defined above

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ROMAN NUMERAL Defined for English Language Learners

Roman numeral

Definition of Roman numeral for English Language Learners

  • : one of the letters that were used by the ancient Romans to represent numbers and that are still used today


ROMAN NUMERAL Defined for Kids

Roman numeral

noun

Definition of Roman numeral for Students

: a numeral in a system of figures based on the ancient Roman system
  • In Roman numerals X equals 10.

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