An atoll is a ring-shaped coral reef and features a lagoon. Some examples of atolls are the Bikini atoll, Tubbataha Reef and Lighthouse Reef.
bikini atoll
the oppsite of atoll is planet
Allot and atoll.
bikini atoll
Atoll is a noun.
A tropical lagoon is encircled by an atoll.
The Bikini Atoll is an atoll in the Marshall Islands and was the site of many American nuclear tests in the 1940s and 1950s.
A atoll
The population of Namu Atoll is 801.
Ailinginae Atoll's population is 0.
Midway Atoll was created in 1988.
The population of Rongelap Atoll is 19.