contrast

Meanings

• the opposition or dissimilarity of things that are compared; ,
  • "in contrast to"
  • "by contrast"
• the act of distinguishing by comparing differences
• a conceptual separation or distinction
• the perceptual effect of the juxtaposition of very different colors
• 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)
• put in opposition to show or emphasize differences
  • "The middle school teacher contrasted her best student's work with that of her weakest student"
• to show differences when compared; be different
  • "the students contrast considerably in their artistic abilities"

Synonyms

counterpoint, demarcation, direct contrast, dividing line, line