Roman numeral

noun

Definition of Roman numeral

  1. :  a numeral in a system of notation that is based on the ancient Roman system — see number table

Examples of roman numeral in a Sentence

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

Circa 1638

First Known Use of roman numeral

circa 1638


ROMAN NUMERAL Defined for English Language Learners

Roman numeral

noun

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



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