Definition of "yin" []

• The passive, female cosmic principle in Chinese dualistic philosophy. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As we all know, yin is the more sinister element of the yin-and-yang duality -- sad, dark, and corresponding to the night."
• "Read the pin yin story of a few pages and ask the class to listen to the words."
• "In Eastern philosophy, the law of polarity is referred to as yin and yang."