奥数

Traditional form:

奧數

Pinyin (reading):

àoshù

Definitions:

• olympiad mathematics
• competition math

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