'yin and yang' definitions:

Definition of 'yin and yang'

From: GCIDE
  • yin and yang \yin and yang\, n. (Chinese philosophy) the two fundamental principles, one negative, dark, passive, cold, wet, and feminine (yin) and the other (yang) positive, bright, active, dry, hot and masculine. The interactions and balance of these forces in people and nature influence their behavior and fate. --[RHUD] [PJC] [1913 Webster]