FRIABLE a.
[friabilis, fr. friare to rub, break, or crumble into small pieces, cf. fricare to rub, E. fray. cf. F. friable.) Easily crumbled, pulverized, or reduced to powder. "Friable ground." Evelyn. "Soft and friable texture." Paley. -- Fri'a-ble-ness, n.
FRICTION n.
A device in which a piece on one shaft or pulley is so forcibly pressed against a piece on another shaft that the two will revolve together; as, in the illustration, the cone a on one shaft, when thrust forcibly into the corresponding hollow cone b on the other shaft, compels the shafts to rotate together, by the hold…
FRINGE n.
An ornamental appendage to the border of a piece of stuff, originally consisting of the ends of the warp, projecting beyond the woven fabric; but more commonly made separate and sewed on, consisting sometimes of projecting ends, twisted or plaited together, and sometimes of loose threads of wool, silk, or linen, or nar…