Auroral
ɔːˈrɔːrəl
adjective
of or relating to the dawn or resembling the dawn; rosy, radiant, or bright
The word 'auroral' is derived from the Latin word 'aurora,' meaning dawn. It is often used to describe something that resembles the colorful phenomena of light in the sky near the polar regions known as the aurora borealis (northern lights) and aurora australis (southern lights).
See how Walt Whitman, Victor Hugo and 2 other authors use "auroral", with its meaning, pronunciation and real book examples.
Examples from books
Cosette was a condensation of the auroral light in the form of a woman.
Victor Hugo
Les Misérables
That man who does not believe that each day contains an earlier, more sacred, and auroral hour than he has yet profaned, has despaired of life, and is pursuing a descending and darkening way.
Henry David Thoreau
Walden
Now only do I know you, O fair auroral skies—O morning dew upon the grass!
Walt Whitman
Leaves of Grass
A peculiar light circled around the horizon, white and thin like that often seen over the auroral corona, blending into the blue of the upper sky.
John Muir
My First Summer in the Sierra