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.

plural of flight information region

The phenomenon that people can sometimes recover more quickly from more intense emotions or pain than from less distressing experiences, tentatively attributed to the fact that only the more intense states trigger psychological defense processes.

An autonomous region of Indonesia. Capital: Yogyakarta

A branch of chemical engineering that uses geometric and mathematical optimization concepts to assist in the design of networks of chemical reactors.

A regional district of Sunshine Coast, British Columbia, Canada. Seat: City of Powell River

The region of Belgium consisting of the capital city, Brussels, and its suburbs.

(physics, meteorology) An extensive area of the Earth's surface over which bodies of air frequently remain for a sufficient time to acquire characteristic temperature and moisture properties imparted by that surface. Air so modified becomes identifiable as a distinct air mass. See airmass.