Wiktionary
Etymology 1 n. (context statistics English) The value of a distribution for which some fraction of the sample lies below. Etymology 2
a. Describing the quality of a sedimentary stone as it relates to the sediments to cohesively bond without fracturing. A stone with a low fractile strength lacks tensile strength and will crack or crumble under stress or pressure.
Usage examples of "fractile".
Like a very sophisticated fractile, it had been beautiful to watch, almost mesmeric.
On closer observation, the Chasm proves to be fractile, with small jags branching off from the large jags, and smaller from each of those, and so on ad infinitum, until you might step over a tiny irregular gash an inch wide and an inch deep in the earth miles away from the Gap, and never know what it was.