A location which has a higher temperature or amount of radiation than surrounding areas. • A part of a forest fire which is burning actively. • The surface manifestation of a plume of molten material that rises from deep in a celestial body's mantle. • An area of high radioactive contamination. • 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”). • An infected lesion in dogs or other furry mammals caused by excessive itching. • 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. • A part of an application that consumes a significant amount of execution time. • 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). • A location in which Wi-Fi Internet access is available. • Ellipsis of biodiversity hotspot (“a place with a significant level of biodiversity, particularly if the flora and fauna are threatened with loss of their habitat”). • The region of a gene in which there is a higher than normal rate of mutation.