(mathematics) An element in a function's domain where the function assumes its lowest value.

(mathematics) An element in a function's domain where the function assumes its highest value.

(computer graphics) The realistic lighting of a rendered scene by means of algorithms that take into account not only the direct illumination from light sources but also the indirect cases where light is reflected between surfaces in the scene.

A simple cognitive architecture developed to account qualitatively for a large set of matched pairs of conscious and unconscious processes.

Extending throughout the entire globe or global community.

A spherical plasma lamp.