Roman numeral


Roman numeral

noun

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

Full Definition of ROMAN NUMERAL

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

Examples of ROMAN NUMERAL

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

First Known Use of ROMAN NUMERAL

1735

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