(statistics) A range of test values for which the null hypothesis is rejected.

plural of regional jet

(astronomy) A large nebula of gas and plasma of glowing low density in which star formation has recently taken place.

Xizang Zizhiqu

An autonomous region of China, located on the Tibetan Plateau and home to the Tibetan people

Synonym of Tibet Autonomous Region

The region of Brazil comprising the states of Goiás, Mato Grosso, Mato Grosso do Sul and the Distrito Federal.

The bi-provincial metropolitan region of the capital of Canada, Ottawa. / The seat of government and one of three defined metropolitan areas in the Philippines.

a landlocked administrative region of the Philippines situated within the island of Luzon

(aviation) A specified region of airspace in which a flight information service and an alerting service are provided.