(painting) A secondary light; an effect of light other than ordinary daylight, such as the rays of the sun darting through a cloud, or between the leaves of trees; the effect of moonlight, candlelight, or burning bodies.

(music) A chord containing one or more tones foreign to its proper harmony.

(medicine, formal, sometimes euphemistic) Stroke (loss of brain function arising when the blood supply to the brain is suddenly interrupted).

plural of acceptance test

A test to check whether the requirements of a specification or contract are met.

A theory of communication arguing that people adjust their speech and gestures to accommodate to others with whom they are interacting.

electronic access to resources, such as publications at a library

accepting house

A type of random access memory which stores bits as changes in resistance/conductance.

plural of access violation