Definition of halation
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
Recent Examples of halation from the Web
There are certain artifacts of film that have to do literally with the physical nature of having three dye layers and the silver halide emulsion on a base, and base halation, how light sources behave.
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Origin and Etymology of halation
halo + -ation
First Known Use: 1859See Words from the same year
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