What does YIN stand for?

Niagara County Community College, Sanborn, NY - OCLC symbol (OCLC)

Yakama Indian Nation (SAUS)

Yinchia - Language code (ETLW)

Yingkow - Republic of China - Seismograph station code, US Geological Survey (SEIS)

Yining - China - Airport symbol (OAG)