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hot spot

hot spot • n. a small area or region with a relatively hot temperature in comparison to its surroundings. ∎  Geol. an area of volcanic activity, esp. where this is isolated. ∎ fig. a place of significant activity or danger: the hotel was the hot spot in town, with its all-night coffee shop. ∎  (also hot·spot) Comput. an area on the screen that can be clicked on to start an operation such as loading a file.

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"hot spot." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 22 May. 2018 <http://www.encyclopedia.com>.

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hot spot

hot spot An area of high volcanic activity. Some hot spots, e.g. Iceland, are located on constructive margins. Others occur within lithospheric plates, often lying at the end of a chain of progressively older volcanoes, e.g. the Hawaiian-Emperor Chain. The hot spot is thought to be stationary, or nearly so, and to produce volcanoes intermittently as the plate moves over it. It has been suggested that mantle plumes lie beneath hot spots.

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"hot spot." A Dictionary of Earth Sciences. . Encyclopedia.com. 22 May. 2018 <http://www.encyclopedia.com>.

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hot spot

hot spot An area which contains a large number of rare or endangered species and for that reason is designated for protection. Identifying hot spots is the traditional technique by which sites are selected for protection, but it tends to concentrate that protection on a small number of areas, leaving others, and the many species in them, unprotected. Many conservation biologists prefer to identify conservation areas by gap analysis.

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"hot spot." A Dictionary of Ecology. . Encyclopedia.com. 22 May. 2018 <http://www.encyclopedia.com>.

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