dust
noun
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fine powdery material such as dry earth or pollen that can be blown about in the air“the furniture was covered with dust”
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free microscopic particles of solid material“astronomers say that the empty space between planets actually contains measurable amounts of dust”
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the remains of something that has been destroyed or broken upjunk
verb
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remove the dust from“dust the cabinets”
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rub the dust over a surface so as to blur the outlines of a shape“The artist dusted the charcoal drawing down to a faint image”
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distribute looselysprinkle
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cover with a light dusting of a substance“dust the bread with flour”