- illumination⇄expr. illuminations, the lights used in decoration.
Ex. The illuminations on the streets during the festival were magnificent. - illumination⇄illumination, noun.
1. the act or process of illuminating; a lighting up; a making bright.
Ex. the illumination of a bonfire.
2. the amount of light; light; illuminance. Illumination per unit area of a surface is measured in lumens. <