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| an island group and state in the N Pacific Ocean, part of the Federated States of Micronesia. 48,900; 39 sq. mi. (100 sq. km). |
Chuuk  (chŏŏk) An island group and state of the Federated States of Micronesia in the Caroline Islands of the western Pacific Ocean. Site of a major Japanese naval base during World War II, the islands were part of the U.S. Trust Territory of the Pacific Islands from 1947 to 1978. |