It is fashionable jargon, suitable for Humpty-Dumpty:
When I use a word, it means just what
I choose it to mean — neither more nor
Gluzman and Yukalov describe it as being like a function in an interval where, although the behaviour of the function is qualitatively different in the vicinity of the different boundaries of the interval, the function is continuous and there is no identifiable phase transition point.
This post imported from StackExchange Physics at 2014-04-01 16:42 (UCT), posted by SE-user Henry