verb put in opposition to show or emphasize differences.
verb to show differences when compared.
— synonyms: counterpoint
noun the opposition or dissimilarity of things that are compared.
— synonyms: direct_contrast
noun the act of distinguishing by comparing differences.
noun a conceptual separation or distinction.
— synonyms: line, dividing_line, demarcation
noun the perceptual effect of the juxtaposition of very different colors.
noun the range of optical density and tone on a photographic negative or print (or the extent to which adjacent areas on a television screen differ in brightness).