Powder

Meanings

The fine particles which are the result of reducing dry substance by pounding, grinding, or triturating, or the result of decay; dust.
To reduce to fine particles; to pound, grind, or rub into a powder.
A very pale blue colour.

Powder: A powder is a dry solid composed of many very fine particles that may flow freely when shaken or tilted. Powders are a special sub-class of granular materials
Gunpowder: Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of
Baking powder: Baking powder is a dry chemical leavening agent, a mixture of a carbonate or bicarbonate and a weak acid. The base and acid are prevented from reacting