(an example of) the state of being unlike
dissimilarity, distinctness
Cases of word usage
1) a difference (expressed in a percentage) between things e.g. wages or skilled and unskilled workers in the same industry (differential)
2) to express, show, see, a difference (between) (discriminate)
3) (an instance of) a difference in quality, size etc (between) (disparity)
4) to identify, state, a difference between people, things (by looking, listening, thinking etc) (distinguish)
5) the rubbing of one thing against another; (an instance of) a difference of opinion leading to argument and quarrelling (friction)
6) a very small difference or distinction (nicety)
7) a small difference in meaning, opinion, colour etc (nuance)