: The northern islands are coral atolls that have formed over ancient sunken volcanoes and are characterized by outer reefs surrounding a lagoon. Atolls have a unique geology, so not all islands with a reef and a lagoon are atolls. mi.) Please try with a … Convection created by tides and sea currents enhances this change. Find more Greek words at wordhippo.com! Indian Ocean . [13] More sources, however, list Kiritimati as the largest atoll in the world in terms of land area. We're doing our best to make sure our content is useful, accurate and safe. Atolls are the product of the growth of tropical marine organisms, and so these islands are found only in warm tropical waters. In most cases, the land area of an atoll is very small in comparison to the total area. Definition of Atolls in the Definitions.net dictionary. What does atoll mean? The reef and the small coral islets on top of it are all that is left of the original island, and a lagoon has taken the place of the former volcano. ... one to many islets on the reef platform. He reasoned that a fringing coral reef surrounding a volcanic island in the tropical sea will grow upward as the island subsides (sinks), becoming an "almost atoll", or barrier reef island, as typified by an island such as Aitutaki in the Cook Islands, and Bora Bora and others in the Society Islands. Find more similar words at wordhippo.com! ‘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.’ We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate image within your search results please use this form to let us know, and we'll take care of it shortly. ... one to many islets on the reef platform. Volcanic islands located beyond the warm water temperature requirements of hermatypic (reef-building) organisms become seamounts as they subside, and are eroded away at the surface. Atolls synonyms, Atolls pronunciation, Atolls translation, English dictionary definition of Atolls. However, Bermuda is termed a pseudo-atoll because its general form, while resembling that of an atoll, has a very different mode of formation. Meaning of Atolls. ], The numerical value of Atoll in Chaldean Numerology is: 9, The numerical value of Atoll in Pythagorean Numerology is: 6. The English spelling of the word ‘marshall’ (as opposed to the American spelling of one ‘l’) means an officer connected to public security or, as a verb, to gather together a group of people. Synonyms for atoll include cay, island, isle, islet, key, reef, coral island, coral isle, coral reef and desert island. Hydrothermal currents created by volcanoes under the atoll may also play an important role. atoll An atoll is created as a coral reef builds up around an eroding volcanic island. Web. Weird things about the name Atolls: The name spelled backwards is Sllota. Atoll definition, a ring-shaped coral reef or a string of closely spaced small coral islands, enclosing or nearly enclosing a shallow lagoon. [3] (p60)[4], The typical atoll was originally formed as an oceanic volcano. It is also a raised coral atoll (321.37 km2; 125 sq. The first expedition in 1896 was led by Professor William Johnson Sollas of the University of Oxford. [citation needed] It is the most widely cultivated species of several plants in the family Araceae that are used as vegetables for their corms, leaves, and petioles. Atoll, coral reef enclosing a lagoon. The fringing reef becomes a barrier reef for the reason that the outer part of the reef maintains itself near sea level through biotic growth, while the inner part of the reef falls behind, becoming a lagoon because conditions are less favorable for the coral and calcareous algae responsible for most reef growth. In time, subsidence carries the old volcano below the ocean surface and the barrier reef remains. ... • This is only well developed on the seaward side of the windward reef of atolls. "Organic reefs and banks and associated detrital sediments". Afrikaans Meaning: atoll, atol an island consisting of a circular coral reef surrounding a lagoon / A coral island or islands, consisting of a belt of coral reef, partly submerged, surrounding a central lagoon or depression / a ring-shaped reef, island, or chain of islands formed of coral., Usage If Hamsanaari sounds too old-fashioned to you, then you can go for Hamsa, which means the same. mi.) Telugu ranks third in the number of native speakers in India. Last year’s bleaching at Lisianski Atoll was the worst our scientists have seen, almost one and a half square miles of reef bleached last year and are now completely dead. https://www.definitions.net/definition/Atoll. mi. mi.). Translation for 'atoll' in the free French-English dictionary and many other English translations. See authoritative translations of Atoll in Spanish with example sentences and audio pronunciations. The Atlantic Ocean has no large groups of atolls, other than eight atolls east of Nicaragua that belong to the Colombian department of San Andres and Providencia in the Caribbean. Discovery of the great depth of the volcanic remnant beneath many atolls, such as at Midway Atoll, favors the Darwin explanation. Origin of Atoll ... one to many islets on the reef platform. a-tol′, or at′ol, n. a coral island consisting of a circular belt of coral enclosing a central lagoon. A coral reef grew around the shore of the volcano and then, over several million years, the volcano went extinct and eroded and subsided completely beneath the surface of the ocean. atoll meaning, definition, what is atoll: a coral island in the shape of a ring: Learn more. Ocean: Nepali Meaning: महासागर, सागर, समुद्र anything apparently limitless in quantity or volume / a large body of water constituting a principal part of the hydrosphere / Of or pertaining to the main or great sea / a very big sea / a very large expanse of sea, in particular, each of the main areas into which the sea is divided geographically., Usage. The northernmost atoll of the world is Kure Atoll at 28°24′ N, along with other atolls of the Northwestern Hawaiian Islands. Fun Facts about the name Atolls. • In between is a minefield of smaller idyllic coconut and white sand atolls. What does atoll mean? 56. Greek words for atoll include κοραλλιογενές νησί and δακτυλιοειδής νήσος. For the atoll to persist, the coral reef must be maintained at the sea surface, with coral growth matching any relative change in sea level (subsidence of the island or rising oceans). Hamsanaari: The name Hamsanaari means ‘swan’. Indian Ocean in Telugu translation and definition "Indian Ocean", English-Telugu Dictionary online. atoll An atoll is created as a coral reef builds up around an eroding volcanic island. [5], The word atoll comes from the Dhivehi (an Indo-Aryan language spoken in Maldives) word atholhu (Dhivehi: އަތޮޅު, [ˈət̪ɔɭu]), meaning the palm (of the hand).OED Its first recorded use in English was in 1625 as atollon. Get instant definitions for any word that hits you anywhere on the web! troll, Telugu translation of troll, Telugu meaning of troll, what is troll in Telugu dictionary, troll related Telugu | తెలుగు words Find more similar words at wordhippo.com! "Atoll." NOAA National Ocean Service - What are the three main types of coral reefs? How unique is the name Atolls? The islands are named after the British captain John Marshall, of the HMS Scarborough, who charted much of the island group Read More [18][19](Number 1, page 14), Investigation by the Royal Society of London into the formation of coral reefs, The Structure and Distribution of Coral Reefs, Learn how and when to remove this template message, the structure and distribution of coral reefs, Pacific Remote Islands Marine National Monument, "Weekly Compilation of Presidential Documents", NOAA National Ocean Service Education - Coral Atoll Animation. Hamsa, meaning ‘swan’ is a name you should consider for your little princess. Fairbridge, R. W. 1950. Research Article: Predicting Coral Recruitment in Palau’s Complex Reef Archipelago, World Atolls, Goldberg 2016: A global map containing all atolls, Deep-ocean Assessment and Reporting of Tsunamis, North West Shelf Operational Oceanographic System, Jason-2 (Ocean Surface Topography Mission), https://en.wikipedia.org/w/index.php?title=Atoll&oldid=995915516, Short description is different from Wikidata, Articles containing Dhivehi-language text, Articles needing additional references from November 2014, All articles needing additional references, Creative Commons Attribution-ShareAlike License. Information and translations of Atolls in the most comprehensive dictionary definitions resource on … The southernmost atolls of the world are Elizabeth Reef at 29°58′ S, and nearby Middleton Reef at 29°29′ S, in the Tasman Sea, both of which are part of the Coral Sea Islands Territory. Paksipitti Bank. An island that is located where the ocean water temperatures are just sufficiently warm for upward reef growth to keep pace with the rate of subsidence is said to be at the Darwin Point. Measured by total area, Lifou (1146 km2; 442 sq. Learn more. [14] The third expedition in 1898 was led by Alfred Edmund Finckh. Synonyms for atolls include cays, islands, isles, islets, keys, reefs, coral islands, coral reefs, desert islands and eyots. land area; according to other sources even 575 km2; 2220 sq. Definitions.net. Indian Ocean . Learn more. An atoll ( /ˈætɒl, ˈætɔːl, ˈætoʊl, əˈtɒl, əˈtɔːl, əˈtoʊl/),[1][2] sometimes known as a coral atoll, is a ring-shaped coral reef, including a coral rim that encircles a lagoon partially or completely. An atoll is a kind of island.It is made when a coral reef forms around an island that sinks over many years. 55. What does Atolls mean? It is possible the name you are searching has less than five occurrences per year. Translation Services USA offers professional translation services for English to Dhivehi and Dhivehi to English language pairs. Accepted as basically correct, his explanation suggested that several tropical island types: from high volcanic island, through barrier reef island, to atoll, represented a sequence of gradual subsidence of what started as an oceanic volcano. The atolls are all coral reefs hundreds of kilometers away from any major landmass, meaning that water clarity is excellent and underwater life is abundant. Thanks for your vote! English Meaning of , Meaning in English, Meaning in Telugu, Download PDF Telugu Dictionary Meanings, Online Telugu to English Dictionary, Free Telugu Dictionary, Telugu Dictionary Online, Download, Telugu Dictionary Software, Telugu Meanings: We didn't find a dictionary entry for the word ''. Etymology: From and , ... తెలుగు (Telugu) ภาษาไทย (Thai) Tiếng Việt (Vietnamese) Čeština (Czech) Meaning of Atolls. At certain depths water is undersaturated in calcium carbonate but saturated in dolomite. The development of an atoll starts with an eruption of an underwater volcano known as a seamount. Geologists included Walter George Woolnough and Edgeworth David of the University of Sydney. Reef-building corals will thrive only in warm tropical and subtropical waters of oceans and seas, and therefore atolls are found only in the tropics and subtropics. Reginald Aldworth Daly offered a somewhat different explanation for atoll formation: islands worn away by erosion, by ocean waves and streams, during the last glacial stand of the sea of some 900 feet (270 m) below present sea level developed as coral islands (atolls), or barrier reefs on a platform surrounding a volcanic island not completely worn away, as sea levels gradually rose from melting of the glaciers. The volcanic island may sink, leaving a lagoon in its place. Eventually, the reef reaches the surface of the water and becomes land. [15][16][17], On January 6, 2009, U.S. President George W. Bush announced the creation of the Pacific Remote Islands Marine National Monument, covering several islands and atolls under U.S. There is an overlap between bodies of water classified as coastal lagoons and bodies of water classified as estuaries. ), 160 km2 (62 sq. Atolls have a unique geology, so not all islands with a reef and a lagoon are atolls. Most of the world's atolls are in the Pacific Ocean (with concentrations in the Caroline Islands, the Coral Sea Islands, the Marshall Islands, the Tuamotu Islands, and the island groups of Kiribati, Tokelau, and Tuvalu) and the Indian Ocean (the Chagos Archipelago, Lakshadweep, the atolls of the Maldives, and the Outer Islands of Seychelles). , around the top of a circular coral reef builds up around an volcanic... And bodies of water classified as coastal lagoons and bodies of water classified as coastal and... ], there are approximately 440 atolls in the coral of Pacific.. 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