Emission of beams of light, radiation, radiance.

The action or condition of sending out rays of light. Obsolete except as in sense 1c.

A radiant condition or quality; brightness, light, esp. brilliant or splendid light emitted by an object.

The quality or condition of being radiant; radiance, brightness.

The action of irradiating, or emitting rays or beams of light; shining.

The action or process of eradiating or shining forth; the emission of rays of light or heat.

The quality or fact of being irradiant.

The projection or emission of rays (as of light, heat, etc.); radiation.

The act or process of radiating; a pattern or mode of radiation.

The quality of being effulgent, splendid radiance. literal and figurative.

The fact of irradiating; the emission of rays of light, emitted radiance. Also figurative in reference to spiritual or intellectual radiance.

? = irradiation, n.

The diffusion of rays from a luminous body.

The quality of being beamy; radiance.

The action of ray, v.2 (in various senses); an instance of this. Also with out.

Radiance.

A ray or ray-like projection. Obsolete. rare.