contrast -
the act of distinguishing by comparing differences
comparing,
comparison the act of examining resemblances; "they made a comparison of noise levels"; "the fractions selected for comparison must require pupils to consider both numerator and denominator"
contrast -
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)
contrast -
put in opposition to show or emphasize differences; "The middle school teacher contrasted her best student's work with that of her weakest student"