halation Syllabification: (ha·la·tion)Pronunciation: /hāˈlāSHən/Definition of halation noun 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. Origin: mid 19th century: formed irregularly from halo + -ationhalation in other Oxford dictionaries Definition of halation in the British & World English dictionary
