numeral [numerals](word or symbol representing a number, see also: noun numeral) noun [UK: ˈnjuː.mə.rəl] [US: ˈnuː.mə.rəl]
序數詞noun
ordinal number [ordinal numbers](grammar: word used to denote relative position in a sequence) noun [UK: ˈɔː.dɪn.l̩ ˈnʌm.bə(r)] [US: ˈɔːr.dən.l̩ ˈnʌm.br̩]