1. A discrete representation of a number. The following are four different numerals that represent the same number, that is, a dozen, in the methods shown: twelve, by a word in the English language; 12., in the decimal numeration system; Ⅻ by Roman numerals; 1100 in the pure binary numeration system.
语源
late Middle English (as an adjective): from late Latin numeralis, adjective from Latin numerus 'a number' (see number)
