Uniondale, uninc. residential city (1990 pop. 20,328), Nassau co., SE N.Y., on Long Island. Downtown suburban growth since the 1970s has included construction of the Nassau Coliseum, home to the New York Islanders (National Hockey League), new hotels, and office and retail sites.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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