n.
A system for transliterating Chinese ideograms into the Roman alphabet, officially adopted by the People's Republic of China in 1979.
[Chinese (Mandarin) pīn yīn, to combine sounds into syllables : pīn, to combine + yīn, sound.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.