DictionarypowderFine dry particles
noun / verb

powder

POW-der/ˈpaʊdər/

A dry substance made of fine, loose particles.

The spoon tips dry flour into a mound of fine powder.

A spoon tips dry flour into a soft powder mound.
Etymology

Latin pulvis names dust, the model for powder's tiny loose particles. English extended the word from dust, ash, and cinders to any pulverized substance.

In context

The Factoran1:01
each sheet is made with a core of gypsum powder ground and pressed tightly between two layers
How Drywall Is Made From Gypsum In Massive Production Lines | 34 Billion Square Feet Every Year

More examples

  • This detergent comes as a powder rather than a liquid.
  • I grind the dried peppers into a fine powder.
  • Gymnasts powder their hands with chalk before gripping the bars.

Forms

powder · powders · powdered · powdering

powdery adjective — Covered with or resembling fine, dry particles.

Similar words

dust
Usually suggests fine particles settling on surfaces or floating in air.
flour
Specifically a finely ground ingredient used in cooking or baking.