数域 Traditional form: 數域 Pinyin (reading): shùyù Definitions: number field (math.) subfield of the field of complex numbers Characters: 数 - count, number, several 域 - area, district, field, land, region; boundary; domain (in taxonomy) Traditional characters: 數 - count, number, several 域 - area, district, field, land, region; boundary; domain (in taxonomy)