asperous
branny
chalklike
chalky
comminute
comminuted
crushed
detrital
detrited
disintegrated
dusty
efflorescent
farinaceous
fine
flaky
flocculent
floury
gone to dust
grated
ground
impalpable
lentiginous
lepidote
levigated
mealy
milled
pestled
powdered
powdery
pulverant
pulverized
pulverulent
reduced to powder
scabby
scabious
scabrous
scaly
scobicular
scobiform
scurf
scurfy
sharded
shredded
squamous
triturated