powder

a solid substance in the form of tiny loose particles; a solid that has been pulverized

a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks

any of various cosmetic or medical preparations dispensed in the form of a pulverized powder

make into a powder by breaking up or cause to become dust; "pulverize the grains"

apply powder to; "She powdered her nose"; "The King wears a powdered wig"