奥数

Traditional form:

奧數

Pinyin (reading):

Aò Shù

Definitions:

• International Mathematical Olympiad (IMO) (abbr. for 國際奧林匹克數學競賽／国际奥林匹克数学竞赛 ( Guójì Aòlínpǐkè Shùxué Jìngsài))

Characters:

• 奥 - mysterious, obscure, profound; used in transliterations
• 数 - count, number, several

Traditional characters:

• 奧 - mysterious, obscure, profound; used in transliterations
• 數 - count, number, several