a solid substance that has been reduced to dry loose particles, e.g. by crushing or grinding
a substance, esp a cosmetic or a medicine, produced in the form of fine particles
face powder
fine dry light snow
gunpowder, or any of various explosives in powder form used in firearms and blasting
keep one's powder dry
to remain alert and ready for action
take a powder
NAmer, informal to leave in a hurry, esp from a difficult situation
powdery adj
[Middle English poudre via Old French from Latin pulver-, pulvis dust]