Qinghai

• Tsinghai, Tsing-hai
• Chinghai, Ch'ing-hai (Wade–Giles)

From the Hanyu Pinyin[1] romanization of the Mandarin 青海／靑海 (Qīnghǎi, literally “Blue Sea”).

• IPA^(key): /ˈt͡ʃɪŋˈhaɪ/

Qinghai

1. A province in northwestern China. Capital: Xining.
   • 1975, “The National Minority Languages of China”, in Winfred P. Lehmann, editor, Language and Linguistics in the People's Republic of China‎, University of Texas Press, →ISBN, →LCCN, →OCLC, page 119:

     Tibetan is found predominantly in Tibet; Tibetan-speaking communities are also found in Sichuan, Qinghai, Yunnan, and Gansu. In Tibet, all official documents are issued in both Tibetan and Chinese, and also in certain regions of Sichuan and Qinghai. Moreover, the radio stations in Tibet broadcast in Tibetan and Putonghua. Similarly, the Chengdu radio station in Sichuan and the Xining radio station in Qinghai also have regular Tibetan broadcasts.

   • 2001, Kim Dramer, “China's Sorrow”, in The Yellow River‎ (Juvenile Literature), Franklin Watts, →ISBN, →LCCN, →OCLC, pages 7–8:

     The source of the Yellow River is in the Qinghai Province on the Tibetan Plateau. This area is often called the "Roof of the World" because of its high altitude, the height of a place above sea level.

   • 2018 January 20, Chris Buckley, Adam Wu, “Where China Built Its Bomb, Dark Memories Haunt the Ruins”, in The New York Times‎, →ISSN, →OCLC, archived from the original on 20 January 2018, Asia Pacific‎:

     The decaying clusters of workshops, bunkers and dormitories are remnants of Plant 221, also known as China’s Los Alamos. Here, on a mountain-high grassland called Jinyintan in Qinghai Province, thousands of Tibetan and Mongolian herders were expelled to create a secret town where a nuclear arsenal was built to defend Mao Zedong’s revolution.

   • For more quotations using this term, see Citations:Qinghai.
2. A lake in Qinghai.

• Amdo (as a Tibetan region)
• Koko Nor, Koko-nur, Kokonor &c. (lake, region, & province, historical)

• Qinghai, Ch'ing-hai, Ching-hai, Ch'inghai, Chinghai, Tsinghai, Tsing-hai at Google Ngram Viewer
• Saul B. Cohen, editor (1998), “Qingjian”, in The Columbia Gazetteer of the World‎, volume 3, New York: Columbia University Press, →ISBN, →LCCN, →OCLC, page 2546, column 3