'Friable' definitions:

Definition of 'friable'

adjective

Easily broken into small fragments or reduced to powder; "friable sandstone"; "friable carcinomatous tissue"; "friable curds formed in the stomach";"crumbly cookies" [syn: crumbly, friable]

Definition of 'Friable'

From: GCIDE

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. [1913 Webster]

Synonyms of 'friable'

From: Moby Thesaurus

breakable,
brittle,
brittle as glass,
crackable,
crimp,
crisp,
crispy,
crumbly,
crump,
crushable,
delicate,
fissile,
flimsy,
fracturable,
fragile,
frail,
frangible,
lacerable,
pulverizable,
pulverulent,
scissile,
shatterable,
shattery,
shivery,
splintery,
triturable,
vulnerable