plural of lumination

(rare) Illumination; specifically, artificial illumination.

(art) An American artistic style of the 19th century, characterised by effects of light in landscapes.

Not capable of producing light, but possibly capable of reflecting light from another source.

(physics) The radiant energy of the visible portion of a spectrum of light

(physics) A measure of the power emitted by a source of light; equal to the flux density per solid angle

In photometry, the measure of the power of light as perceived by the human eye, in proportion to the power at each wavelength.

plural of luminous intensity

(astronomy) That emits significant amounts of radio waves; radio-bright.

Light-emitting. / (vision, of a perceived color) Having a luminosity exceeding 100%. / (figuratively) Prominent or famous for virtue or greatness.