Definition of powders:
(n) :
The fine particles which are the result of reducing a dry substance by pounding, grinding, or triturating, or the result of decay; dust.
(n) :
An explosive mixture used in gunnery, blasting, etc.; gunpowder.
(n) :
(cosmetics) A mixture of fine dry, sweet-smelling particles applied to the face or other body parts, to reduce shine or to alleviate chaffing.
(v) :
(transitive) To reduce to fine particles; to pound, grind, or rub into a powder.
(v) :
(transitive) To sprinkle with powder, or as if with powder.
(v) :
(intransitive) To turn into powder; to become powdery.