An island (pronounced /ˈaɪlənd/) or isle (/ˈaɪl/) is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot /ˈaɪ.ət/ (also ait /ˈeɪt/), or holm. A grouping of geographically or geologically related islands is called an archipelago.
An island may still be described as such despite the presence of a land bridge, for example Singapore and its causeway, or the various Dutch delta islands, such as IJsselmonde. Some places may even retain "island" in their names for historical reasons after being connected to a larger landmass by a wide land bridge, such as Coney Island.
There are two main types of islands: continental islands and oceanic islands. There are also artificial islands. There is no standard of size which distinguishes islands from islets and continents.
From Wikipedia, the free encyclopedia
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