Halation | Definition of Halation by Merriam-Webster
Definition of Halation by Merriam-Webster ha·la·tion | \ hā-ˈlā-shən \ 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 First Known Use of halation 1859, in the meaning defined at sense 1 History and Etymology for halation halo + -ation Learn More about halation Time Traveler for halation The first known use of halation was ...