The definition of dust is fine bits of dirt or other matter that hangs in the air and settles on surfaces.(noun)
An example of dust is the dirt that gathers on top of books sitting on a shelf.
Dust is defined as to sprinkle powdery substances onto something, or to remove powdery substances from something.(verb)
See dust in Webster's New World College Dictionary
Origin: ME < OE, akin to MLowG: for IE base see dun
See dust in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English dūst.
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