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illumination

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The definition of an illumination is the act or process of making something clearer or brighter or a device for doing so.

(noun)

An example of an illumination is an explanation.
An example of an illumination is a bright porch lamp.

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See illumination in Webster's New World College Dictionary

noun

an illuminating or being illuminated; specif.,
1. a lighting up; supplying of light
2. clarification; explanation
3. enlightenment; instruction
4. decoration with lights
5. decoration of manuscripts with designs, colors, etc.
the intensity of light per unit of area
the designs, tracings, etc. used in decorating manuscripts
decorative lighting, as for a city

Origin: ME illumynacyon < OFr illumination < LL illuminatio

See illumination in American Heritage Dictionary 4

noun

a. The act of illuminating.
b. The state of being illuminated.
A source of light.
Decorative lighting.
Spiritual or intellectual enlightenment.
Clarification; elucidation.
a. The art or act of decorating a text, page, or initial letter with ornamental designs, miniatures, or lettering.
b. An example of this art.
Physics The luminous flux per unit area at any point on a surface exposed to incident light. Also called illuminance.

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