Real Dictionary

yang
uncountable noun: In Chinese philosophy, yang is one of the two opposing principles whose interaction is believed to influence everything in the universe. Yang is positive, bright, and masculine while yin is negative, dark, and feminine.

yang in American English
in Chinese philosophy, the active, positive, masculine force or principle in the universe, source of light and heat: it is always both contrasted with and complementary to the yin
noun

Yang in British English 1
noun

Yang in British English 2
noun: Chen Ning (ˈtʃɛn ˈnɪŋ ). born 1922, US physicist, born in China: with Tsung-Dao Lee, he disproved the physical principle known as the conservation of parity and shared the Nobel prize for physics (1957)