Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
photodriven
photoduplicate
photodynamic
photodynamics
photoelectric
photoelectric cell
photoelectric effect
photoelectron
photoemission
photoengrave
photoengraving
photoessay
photofission
Photofit
photoflash
photoflood
photofluorogram
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

photographic magnitude

pho·to·graph·ic mag·ni·tude (plural pho·to·graph·ic mag·ni·tudes)


noun 
Definition:
 
brightness of star measured photographically: the magnitude of a star determined by measuring its size on a photographic plate. Depending on the color of the star, photographic magnitude and visual magnitude can differ because the eye and standard photographic plates have different color sensitivities.

Advertisement

© 2009 Microsoft