: stiff paper that has a rough surface on one side and that is rubbed against something (such as a piece of wood) to make it smooth
sandpapers; sandpapered; sandpapering
: to make (something) smooth by rubbing it with sandpaper
You should sandpaper [=(more commonly) sand] the shelf before you paint it.
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“Sandpaper.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/sandpaper. Accessed 16 Apr. 2026.
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