halation

noun

ha·​la·​tion hā-ˈlā-shən 

1

: the spreading of light beyond its proper boundaries in a developed photographic image

2

: a bright ring that sometimes surrounds a bright object on a television screen

Examples of halation in a Sentence

Recent Examples on the Web

However, while the ability to generate the color, warmth, reflection, and even halation of fire is great, that’s far from everything needed to achieve a photorealistic render. —Matt Crisara, Popular Mechanics, 25 Apr. 2023

Word History

Etymology

halo + -ation

First Known Use

1859, in the meaning defined at sense 1