Definitions

1. noun

A bright glow surrounding a light source, especially in photography, caused by reflections within the camera.

“The photographer struggled to eliminate the halation from the images, which affected the overall quality of the prints.”

2. noun

A faint glow of light, especially in the sky, caused by the scattering of light in the atmosphere.

“The halation in the sky was a beautiful sight to behold after the sunset.”