friable
adjective
[ ˈfrʌɪəb(ə)l ]
• easily crumbled.
• "the soil was friable between her fingers"
Similar:
crumbly,
easily crumbled,
powdery,
dusty,
chalky,
soft,
dry,
crisp,
brittle,
pulverulent,
levigated,
brashy,
Origin:
mid 16th century: from French, or from Latin friabilis, from friare ‘to crumble’.