Main Entry: il·lu·mi·na·tion

Pronunciation: \il-ˌü-mə-ˈnā-shən\

Function: noun

1 : the action of supplying or brightening with light or the resulting state
2 : the luminous flux per unit area on an intercepting surface at any given point—called also illuminance

—il·lu·mi·nate \il-ˈü-mə-ˌnāt\ transitive verb, il·lu·mi·nat·ed; il·lu·mi·nat·ing