Dictionary.com

halation

[ hey-ley-shuhn, ha- ]
/ heɪˈleɪ ʃən, hæ- /
Save This Word!

noun Photography.

a blurred effect around the edges of highlight areas in a photographic image caused by reflection and scattering of light through the emulsion from the back surface of the film support or plate.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of halation

First recorded in 1855–60; hal(o) + -ation

Words nearby halation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for halation

British Dictionary definitions for halation

halation
/ (həˈleɪʃən) /

noun

photog fogging usually seen as a bright ring surrounding a source of light: caused by reflection from the back of the film

Word Origin for halation

C19: from halo + -ation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for halation

halation
[ hā-lāshən ]

n.

Blurring of the visual image due to glare from strong illumination.
A blurring or spreading of light around bright areas on a photographic image.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Tired of Typos? Get Help Now!