powder

(noun) a solid substance in the form of tiny loose particles; a solid that has been pulverized. Synonyms: pulverization, pulverisation.

(noun) a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks. Synonyms: gunpowder.

(noun) any of various cosmetic or medical preparations dispensed in the form of a pulverized powder.

(verb) make into a powder by breaking up or cause to become dust. Synonyms: powderize, powderise, pulverize, pulverise. Example: "Pulverize the grains."

(verb) apply powder to. Examples: "She powdered her nose." "The king wears a powdered wig."