noun

radiance

RAY-dee-uns/ˈreɪdiəns/

The brightness of light emitted from a source.

The sun's radiance lights the cloud edges as golden rays break through.

A brilliant sun emerging through a small opening in clouds, casting distinct golden rays and illuminating the cloud edges.
Etymology

From “beam, shine,” radiance names brightness spreading in rays, later also the glow of beauty or joy. Its immediate source may be radiant or the Latin noun radiantia, “brightness.”

In context

Episcopal Diocese of Central Florida2:18
light shining with the radiance of Christ's glory that's what happens to the people of God
Bishop Gregory O. Brewer, 2020 Diocesan Convention Address

More examples

  • The candles fill the room with a warm radiance.
  • We shield our eyes from the radiance of the furnace.
  • A dimmer switch softens the radiance of the chandelier.

Forms

radiant adjective — Shining brightly or giving off light.

radiate verb — To send out light or heat.

Similar words

glow
Often suggests softer, steadier light rather than brilliant brightness.
brilliance
Emphasizes intense brightness rather than light spreading from a source.
glare
Suggests harsh brightness that makes looking uncomfortable.