atoll
English Thesaurus
1. an island consisting of a circular coral reef surrounding a lagoon (noun.object)
| hypernym | : | coral reef, |
| definition | : | a reef consisting of coral consolidated into limestone (noun.object) |
| instance hyponym | : | bikini, |
| definition | : | an atoll in the Marshall Islands; formerly used by the United States as a site for testing nuclear weapons (noun.location) |
| instance hyponym | : | eniwetok, |
| definition | : | an atoll in the Marshall Islands; site of an amphibious assault in World War II; later used temporarily by the United States to test atomic bombs (noun.location) |
| instance hyponym | : | kwajalein, |
| definition | : | an atoll in the western Marshall Islands that was used as a Japanese air and naval base during World War II (noun.location) |
| instance hyponym | : | midway islands, |
| definition | : | an atoll in the Hawaiian Islands some 1300 miles to the northwest of Honolulu; site of an important United States naval base (noun.location) |
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