a system for transliterating Chinese into the Latin alphabet: introduced in 1958 and adopted as the official system of romanization by the People's Republic of China in 1979.
Pin·yin or pin·yin (pĭn'yĭn', -yĭn) 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.]
system of Romanized spelling for Chinese, 1963, from Chinese pinyin "to spell, to combine sounds into syllables," from pin "put together" + yin "sound, tone." Adopted officially by the People's Republic of China in 1958.