n.
differentiation
1) to draw, make a ~
2) to blur a ~
3) a clear-cut; dubious; fine; subtle ~
4) a ~ between
eminence
superiority
5) to enjoy, have, hold a ~ (he holds the dubious ~ of being the first person to break the new speed limit)
6) a doubtful, dubious ~
7) of ~ (an artist of ~)
8) with ~ (to serve with ~)