- a large island N of Australia, politically divided into the Indonesian province of Irian Jaya (West Irian) and the independent country of Papua New Guinea. About 316,000 sq. mi. (818,000 sq. km).
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- an island in the W Pacific, north of Australia: divided politically into Papua (formerly Irian Jaya, a province of Indonesia) in the west and Papua New Guinea in the east. There is a central chain of mountains and a lowland area of swamps in the south and along the Sepik River in the north. Area: 775 213 sq km (299 310 sq miles)
- Trust Territory of New Guinea (until 1975) an administrative division of the former Territory of Papua and New Guinea, consisting of the NE part of the island of New Guinea together with the Bismarck Archipelago; now part of Papua New Guinea
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
New Guinea is the world's second-largest island, after Greenland.
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