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hot spot: Word of the day for August 29, 2021

hot spot , n :
A location which has a higher temperature or amount of radiation than surrounding areas. (firefighting, forestry) A part of a forest fire which is burning actively. (geology, planetology) The surface manifestation of a plume of molten material that rises from deep in a celestial body's mantle. (nuclear physics) An area of high radioactive contamination. (optics) Synonym of heiligenschein (“an optical phenomenon which creates a bright spot around the shadow of the viewer's head, when the surface on which the shadow falls has special optical characteristics”) (figuratively) A place notable for a high level of activity or danger. A dangerous place of violent political unrest. A lively and entertaining place, such as a nightclub. (computing) A part of an application that consumes a significant amount of execution time. (graphical user interface) A part of a control (“an interactive interface element”) that responds dynamically as a user moves a pointer over it (for example, a part of an image map that contains a hyperlink which can be clicked on with a cursor). (Internet, networking) A location in which Wi-Fi Internet access is available. (ecology) Short for biodiversity hotspot (“a place with a significant level of biodiversity, particularly if the flora and fauna are threatened with loss of their habitat”). (genetics) The region of a gene in which there is a higher than normal rate of mutation.

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