Dictionary
atoll
noun \ˈa-ˌtȯl, -ˌtäl, -ˌtōl, ˈā-\
: an island that is made of coral and shaped like a ring
Full Definition of ATOLL
: a coral island consisting of a reef surrounding a lagoon
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Origin of ATOLL
Divehi (Indo-Aryan language of the Maldive Islands) atolu
First Known Use: 1625
Other Geology Terms
ATOLL Defined for Kids
atoll
noun \ˈa-ˌtȯl, -ˌtäl\
Definition of ATOLL for Kids
: a ring-shaped coral island consisting of a coral reef surrounding a lagoon
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