atoll

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈætɒl/

US:USA pronunciation: IPAUSA pronunciation: IPA/ˈætɔl, -ɑl, -oʊl/

US:USA pronunciation: respellingUSA pronunciation: respelling(at′ôl, -ol, -ōl, ə tôl′, ə tol′, ə tōl′)



WordReference Random House Learner's Dictionary of American English © 2025
at•oll /ˈætɔl, -ɑl, -oʊl/USA pronunciation   n. [countable]
  1. Geologya ring-shaped coral reef surrounding a lagoon.

WordReference Random House Unabridged Dictionary of American English © 2025
at•oll  (at′ôl, -ol, -ōl, ə tôl′, ə tol′, ə tōl′),USA pronunciation n. 
  1. Geologya ring-shaped coral reef or a string of closely spaced small coral islands, enclosing or nearly enclosing a shallow lagoon.
  • French: a word used in early descriptions of the Maldive Island atolls; said to be Divehi (Indo-Aryan language of the Maldives) atoḷu
  • earlier atollon 1615–25

'atoll' also found in these entries (note: many are not synonyms or translations):
Bikini - Christmas Island - Eniwetok - Kiribati - Kiritimati - Kwajalein - Marshall Islands - Midway Islands - Tarawa - Wake Island - bikini - patch reef

Forum discussions with the word(s) "atoll" in the title:


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