2. An explosive mixture used in gunnery, blasting, etc.; gunpowder. See Gunpowder. Atlas powder, baking powder, etc. See Atlas, Baking, etc. Powder down, a boy formerly employed on war vessels to carry powder; a powder boy. Powder post. See dry rot, under Dry. Powder puff. See Puff.
Origin: OE. Poudre, pouldre, F. Poudre, OF. Also poldre, puldre, L. Pulvis, pulveris: cf. Pollen fine flour, mill dust, E. Pollen. Cf. Polverine, Pulverize.
1. To be reduced to powder; to become like powder; as, some salts powder easily.