Definition of halation in English:

halation

nounhəˈleɪʃ(ə)nheɪˈleɪʃən

mass noun

The spreading of light beyond its proper boundaries to form a fog round the edges of a bright image in a photograph or on a television screen.
Example sentencesExamples
- This gives normal contrast range with highlight halation.
- The Sabatier edge effects, which appear as white lines between areas of distinctly different densities, were proven (by Stevens and Norrish in 1937) to be the result of diffusion halation.
- With a regularity attributable to Therrien's use of templates, the forms share a richness and density and, often, a halation at each figure's thin edge.
- The function of pyrazolone derivative in silver halide photographic paper is as a filter to prevent halation and irradiation.
- If these are indeed the causes of halation, then I see no reason why halation should not also take place in a paper emulsion.

Origin

Mid 19th century: formed irregularly from halo + -ation.

Rhymes

ablation, aeration, agnation, Alsatian, Amerasian, Asian, aviation, cetacean, citation, conation, creation, Croatian, counterdemonstration, counterproliferation, crustacean, curation, Dalmatian, delation, dilation, donation, duration, elation, fixation, Galatian, geolocation, glocalization, gyration, Haitian, Horatian, ideation, illation, lavation, legation, libation, location, lunation, mutation, natation, nation, negation, notation, nutation, oblation, oration, ovation, potation, relation, rogation, rotation, Sarmatian, sedation, Serbo-Croatian, station, staycation, taxation, Thracian, vacation, vexation, vocation, zonation

Definition of halation in US English:

halation

nounheɪˈleɪʃənhāˈlāSHən

The spreading of light beyond its proper boundaries to form a fog around the edges of a bright image in a photograph or on a television screen.
Example sentencesExamples
- The Sabatier edge effects, which appear as white lines between areas of distinctly different densities, were proven (by Stevens and Norrish in 1937) to be the result of diffusion halation.
- This gives normal contrast range with highlight halation.
- If these are indeed the causes of halation, then I see no reason why halation should not also take place in a paper emulsion.
- With a regularity attributable to Therrien's use of templates, the forms share a richness and density and, often, a halation at each figure's thin edge.
- The function of pyrazolone derivative in silver halide photographic paper is as a filter to prevent halation and irradiation.

Origin

Mid 19th century: formed irregularly from halo + -ation.

单词	halation
释义	Definition of halation in English: halation nounhəˈleɪʃ(ə)nheɪˈleɪʃən mass noun The spreading of light beyond its proper boundaries to form a fog round the edges of a bright image in a photograph or on a television screen. Example sentencesExamples This gives normal contrast range with highlight halation. The Sabatier edge effects, which appear as white lines between areas of distinctly different densities, were proven (by Stevens and Norrish in 1937) to be the result of diffusion halation. With a regularity attributable to Therrien's use of templates, the forms share a richness and density and, often, a halation at each figure's thin edge. The function of pyrazolone derivative in silver halide photographic paper is as a filter to prevent halation and irradiation. If these are indeed the causes of halation, then I see no reason why halation should not also take place in a paper emulsion. Origin Mid 19th century: formed irregularly from halo + -ation. Rhymes ablation, aeration, agnation, Alsatian, Amerasian, Asian, aviation, cetacean, citation, conation, creation, Croatian, counterdemonstration, counterproliferation, crustacean, curation, Dalmatian, delation, dilation, donation, duration, elation, fixation, Galatian, geolocation, glocalization, gyration, Haitian, Horatian, ideation, illation, lavation, legation, libation, location, lunation, mutation, natation, nation, negation, notation, nutation, oblation, oration, ovation, potation, relation, rogation, rotation, Sarmatian, sedation, Serbo-Croatian, station, staycation, taxation, Thracian, vacation, vexation, vocation, zonation Definition of halation in US English: halation nounheɪˈleɪʃənhāˈlāSHən The spreading of light beyond its proper boundaries to form a fog around the edges of a bright image in a photograph or on a television screen. Example sentencesExamples The Sabatier edge effects, which appear as white lines between areas of distinctly different densities, were proven (by Stevens and Norrish in 1937) to be the result of diffusion halation. This gives normal contrast range with highlight halation. If these are indeed the causes of halation, then I see no reason why halation should not also take place in a paper emulsion. With a regularity attributable to Therrien's use of templates, the forms share a richness and density and, often, a halation at each figure's thin edge. The function of pyrazolone derivative in silver halide photographic paper is as a filter to prevent halation and irradiation. Origin Mid 19th century: formed irregularly from halo + -ation.
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