1
- short for ORDINAL NUMBER.ORDINAL NUMBER的简称。
2
- Christian Church, chiefly historical a service book, especially one with the forms of service used at ordinations【基督教】〈主史〉礼书（尤指授圣职礼书）。
1
- of or relating to a thing's position in a series（与）顺序（有关）的：
ordinal scales.
顺序等级。
1.1
- of or relating to an ordinal number（与）序数（有关）的
1.2
- Biology of or relating to a taxonomic order【生】（与）“目”（有关）的。
词源
Middle English (in sense 2)： the noun from medieval Latin ordinale (neuter); the adjective from late Latin ordinalis 'relating to order in a series', from Latin ordo, ordin- （see ORDER）.