noun
yin
YIN/jɪn/
The passive, dark, traditionally feminine force complementary to yang in Chinese philosophy.
The dark piece of the symbol represents yin beside its complementary half.

Etymology
Mandarin yin is said to mean “shade, feminine, the moon.” These associations connect the philosophical principle with darkness and femininity.
In context
American ginseng is used to promote yin energy. Promotes calmness in the body, and used to reduce the body temperature.
More examples
- The lesson compared yin with yang.
- In the philosophy discussed, yin was associated with shade.
- The author warned against interpreting yin without its complement.
Forms
yin