Rádiance. Rádiancy.

n.s. [radiare, Lat.] Sparkling lustre; glitter.

By the sacred radiance of the sun,
By all the operations of the orbs,
Here I disclaim all my paternal care. Shakesp. K. Lear.

Whether there be not too high an apprehension above its natural radiancy, is not without just doubt; however it be granted a very splendid gum, and whose sparkles may somewhat resemble the glances of fire. Brown's Vulgar Errours.

                        The son
Girt with omnipotence, with radiance crown'd
Of majesty divine. Milton.

A glory surpassing the sun in its greatest radiancy, which, though we cannot describe, will bear some resemblance. Burnet's Theory of the Earth.

The rapid radiance instantaneous strikes
Th' illumin'd mountain. Thomson's Spring.