|Yin and Yang (jɪn)|
|two complementary principles of Chinese philosophy: Yin is negative, dark, and feminine, Yang positive, bright, and masculine. Their interaction is thought to maintain the harmony of the universe and to influence everything within it|
|[from Chinese (Peking) yin dark + yang bright]|
Two forces in the universe, according to a Chinese theory: yin is the passive, negative force, and yang the active, positive force. According to this theory, wise people will detect these forces in the seasons, in their food, and so on, and will regulate their lives accordingly.