powder
1 Americannoun
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any solid substance reduced to a state of fine, loose particles by crushing, grinding, disintegration, etc.
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a preparation in this form, as gunpowder or face powder.
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Skiing. Also loose, usually fresh snow that is not granular, wet, or packed.
verb (used with object)
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to reduce to powder; pulverize.
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to sprinkle or cover with powder.
She powdered the cookies with confectioners' sugar.
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to apply powder to (the face, skin, etc.) as a cosmetic.
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to sprinkle or strew as if with powder.
A light snowfall powdered the landscape.
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to ornament in this fashion, as with small objects scattered over a surface.
a dress lightly powdered with sequins.
verb (used without object)
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to use powder as a cosmetic.
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to become pulverized.
verb (used without object)
noun
idioms
noun
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a solid substance in the form of tiny loose particles
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any of various preparations in this form, such as gunpowder, face powder, or soap powder
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fresh loose snow, esp when considered as skiing terrain
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slang to run away or disappear
verb
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to turn into powder; pulverize
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(tr) to cover or sprinkle with or as if with powder
Other Word Forms
Etymology
Origin of powder1
First recorded in 1300–50; Middle English noun poudre, pouder, from Old French poudre, pouldre, from Latin pulver- (stem of pulvis ) “dust, powder”; akin to pollen; the verb is derivative of the noun
Origin of powder2
First recorded in 1625–35; origin uncertain
Explanation
Powder is a loose substance made up of extremely tiny, dry, solid grains. Think of the baking powder and cocoa powder you use when you make your famous chocolate layer cake. Powder is usually made by grinding a hard material until it's the consistency of flour, fine sand, or light snow — in fact, freshly fallen, fluffy snow is often called powder. There's a fine line between a grain and a powder, but generally powders have the characteristic of clumping together, while grains are more loose and separate. When you powder something, you apply powder to it. The Latin root, pulverem, means "dust."
Vocabulary lists containing powder
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Lupines, fiddlenecks and bush sunflowers, among other native wildflower species, are just starting to take off in the Puente Hills, particularly in Turnbull Canyon, Powder Canyon and on the Purple Sage Loop.
From Los Angeles Times • Mar. 17, 2026
It’s named for an electrical engineering alum who landed a job in 1909 selling explosives for the E.I. du Pont de Nemours Powder Company, and eventually worked his way up to treasurer.
From Barron's • Dec. 26, 2025
“She used Johnson’s Baby Powder every day of her life until she was diagnosed with cancer.”
From The Wall Street Journal • Dec. 23, 2025
Powder House Park was a convenient place to pitch a big tent, since it sits between the Tufts campus and the liberal yard signs of Somerville, where Ozturk lived.
From Slate • Mar. 27, 2025
Powder puffs, brushes, and pots of rouge sit like macarons on a sweets tray.
From "The Belles" by Dhonielle Clayton
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.