hot spot

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 (as with dewy grass).

A place notable for a high level of activity or danger.

A part of an application that consumes a significant amount of execution time.

Part of a control that responds dynamically as the user moves the pointer over it, as for example in an image map.

A location in which WiFi Internet access is available.

The region of a gene in which there is higher than normal rate of mutation.

The surface manifestation of a plume that rises from deep in the celestial body's mantle.