Friable

Fri″a‐ble (?), a. [L. 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.