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Nation-state - LC Linked Data Service: Authorities and Vocabularies | Library of Congress

found: Dict. of the social sciences, 2002:(nation-state: conjoining of political institutions and collective identity in single sovereign unit)

found: Concise Oxford dict. of politics, 2003:(nation-state: sovereign entity dominated by a single nation; it is the primary unit in the study of international relations)

found: Wikipedia, Feb. 20, 2008(Nation state: traditionally, a nation state is a specific form of state, which exists to provide a sovereign territory for a particular nation, and which derives its legitimacy from that function; political science uses the term "nation state" for most existing sovereign states, even if their political boundaries do not coincide with ethnic boundaries)