Wiktionary
n. A glare in the sky caused by reflection of light from an ice field
Usage examples of "iceblink".
Beneath the cloud, and only slightly obscured by it under the full glare of the sun, they saw from whence the iceblink came.
His hair was yellow-white, the colour of an iceblink, and his skin was so white that it was almost translucent, a thin shell of flesh that could scarcely protect him from the coldness and cruelties of the world.
They turn north and then south again, following a fairly even thirty-degree slope, and at last the floor of the chasma appears to the west, a light-tan plain mottled with black and ocher patches, the iceblink of the western wall flashing at the horizon more than twenty kilometers away.
Reflected on the underside of distant clouds a whitish light called iceblink signified that pack ice extended far beyond this petrified terrain.
The Devaki call this cold shimmer of yellow-chrome an iceblink I suppose because the brightness makes them blink.