Online Google Dictionary

atoll 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈatˌôl/,/ˈatˌäl/,/ˈāˌtôl/,/ˈāˌtäl/,
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atolls, plural;
  1. A ring-shaped reef, island, or chain of islands formed of coral

  1. an island consisting of a circular coral reef surrounding a lagoon
  2. An atoll (or) is an island (or islands) of coral that encircles a lagoon partially or completely.
  3. Atoll is a French progressive rock band.
  4. The Antarctic Technology Offshore Lagoon Laboratory (ATOLL ELITE UNIVERSITY) was a floating oceanographic laboratory for in situ observation experiments and for field testing new instruments and equipment for polar expeditions. ...
  5. Acceptance, Test Or Launch Language (ATOLL) was the programming language used for automating the checking and launch of Saturn rockets.
  6. A type of island consisting of a ribbon reef that nearly or entirely surrounds a lagoon and supports, in most cases, one to many islets on the reef platform. Atolls have a unique geology, so not all islands with a reef and a lagoon are atolls
  7. Circular shaped coral islands that either partly or completely surround a central lagoon.  Atolls form around submerged volcanic islands. They are typically low lying, so their human populations are susceptible to rising sea levels due to climate change.
  8. A horseshoe or circular array of islands, capping a coral reef system perched around an oceanic volcanic seamount.
  9. circular, or near circular coral reef appearing as a low coral island or a ring of closely spaced coral islets encircling a shallow lagoon in which there is no pre-existing land, and surrounded by deep water of the open sea, formed above an underwater volcano.
  10. a massive coral growth on a submerged mountain range or volcano. Atolls typically contain low islands encircling a seawater lagoon.
  11. A circular reef that encloses a relatively shallow lagoon and extends from a very great depth to the sea surface. An atoll forms when an oceanic island ringed by a barrier reef sinks below sea level.
  12. Rear hemisphere heat-seeking missile.
  13. is a special class of island. Most of the world's atolls are located in the Pacific. An atoll has an organic reef. The coral reef acts as a barrier. Most atolls were probably formed as volcanic islands sunk.
  14. a coral island shaped like a ring with a lake in the middle of it
  15. A ring-shaped group of coral islands that are surrounded by deep ocean water and that enclose a shallow lagoon.
  16. Island surrounded by a coral reef.
  17. an island formed from a coral reef, sometimes circular or horseshoe-shaped, with a lagoon in the center
  18. a ring-shaped coral reef.