- an act or instance of illuminating.
- the fact or condition of being illuminated.
- a decoration of lights, usually colored lights.
- Sometimes illuminations. an entertainment, display, or celebration using lights as a major feature or decoration.
- intellectual or spiritual enlightenment.
- Also called illuminance, intensity of illumination. Optics. the intensity of light falling at a given place on a lighted surface; the luminous flux incident per unit area, expressed in lumens per unit of area.
- a supply of light: a source of illumination.
- decoration of a manuscript or book with a painted design in color, gold, etc.
- a design used in such decoration.
Origin of illumination
SynonymsSee more synonyms on Thesaurus.com
- the act of illuminating or the state of being illuminated
- a source of light
- (often plural) mainly British a light or lights, esp coloured lights, used as decoration in streets, parks, etc
- spiritual or intellectual enlightenment; insight or understanding
- the act of making understood; clarification
- decoration in colours, gold, or silver used on some manuscripts or printed works
- physics another name (not in technical usage) for illuminance
Word Origin and History for non-illumination
late 14c., "spiritual enlightenment," from Latin illuminationem (nominative illuminatio), from past participle stem of illuminare "to throw into light, make bright, light up;" figuratively "to set off, illustrate," from assimilated form of in- "in, into" (see in- (2)) + lumen (genitive luminis) "light," related to lucere "to shine" (see light (n.)). Meaning "action of lighting" is from 1560s.