atoll

atoll

noun \ˈa-ˌtȯl, -ˌtäl, -ˌtōl, ˈā-\

Definition of ATOLL

: a coral island consisting of a reef surrounding a lagoon

Illustration of ATOLL

Origin of ATOLL

Divehi (Indo-Aryan language of the Maldive Islands) atolu

First Known Use: 1625

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

Rhymes with ATOLL

Algol, austral, Bhopal, cabal, Cabral, cantal, Chagall, chorale, grand mal, gun moll, hamal, jacal, mistral, narwhal, Natal, nopal, Pascal, petrol, quetzal, Rampal, real, rial, riyal, Rizal, Shawwal, tical, timbale, Transvaal