Definition of atoll in English:

atoll

Pronunciation /əˈtɒl//ˈatɒl/

noun

  • A ring-shaped reef, island, or chain of islands formed of coral.

    • ‘The main island, the Tarawa atoll, is only a few metres above sea level and houses around 40,000 people.’
    • ‘The northern islands are coral atolls that have formed over ancient sunken volcanoes and are characterized by outer reefs surrounding a lagoon.’
    • ‘Hidden beneath the salty Pacific, the coral atolls along the northwestern Hawaiian chain put an abrupt end to many a daring seafarer's adventure.’
    • ‘The islands of the Maldives are grouped in ring-shaped coral atolls, each enclosing a relatively shallow lagoon with a flat sandy bottom.’
    • ‘On outer islands and atolls, however, most matters are settled internally, with little reliance on the state judicial apparatus.’
    • ‘Chants and oral traditions suggest native Hawaiians also visited other islands and atolls in the chain.’
    • ‘In their voyage through the remote islands and atolls they seldom took the boy ashore, fearing infection.’
    • ‘The islands, atolls and reefs are believed to sit atop vast mineral and oil deposits.’
    • ‘Acknowledged as the world's greatest dive destination, however, are the Maldive Islands in the Indian Ocean with enough coral atolls and underwater life to satisfy the most demanding diver.’
    • ‘The Marshall Islands are a group of low-lying coral atolls and islands in the central Pacific Ocean.’
    • ‘Tuvelu is one of the smallest countries on earth, a chain of nine coral atolls whose highest point is just a few meters above sea level.’
    • ‘There are at least 1000 islands in the chain of 19 atolls which make up the Maldives.’
    • ‘She had chosen a peaceful, romantic holiday in the southern atolls on a small island with only 50 huts.’
    • ‘All the islands were formed by volcanic activity and can be divided into atolls and high islands.’
    • ‘Reefs are generally divided into three categories; the barrier reef, the atoll, and the fringing reef.’
    • ‘Diving is generally within the atoll lagoons for the inexperienced, and outside the atolls on reef walls for the advanced.’
    • ‘The tsunami swamped up to 40 percent of the Maldives, an Indian Ocean string of 1,192 coral atolls 480 km southwest of the southern tip of India.’
    • ‘Banaba is a raised limestone island, but the other islands are all coral atolls, and most have lagoons.’
    • ‘The Philippines is an archipelago of 7,100 islands, islets, and atolls located southeast of the Asian mainland.’
    • ‘The Maldives include nearly 1,200 islands in 15 major atolls spanning approximately 470 miles to just south of the equator.’
    shoal, bar, sandbar, sandbank, spit
    View synonyms

Origin

Early 17th century: from Maldivian atoḷu.

Pronunciation

atoll

/əˈtɒl//ˈatɒl/