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H_______
Definitions
The action of light surrounding some object as if making a halo.
Word origin
From halo + -ation.
Used in a sentence
“Halation, properly speaking, is the reflection and diffusion, within the film, from the lighter areas to the adjacent darker ones.”
“Halation can be prevented or diminished by using an absorbing layer between the sensitive emulsion and the support (anti-halo undercoat) or on the back of the support (anti-halo backing).”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for halation yet.