- (mineral) An impure type of corundum, often used for sanding or polishing.
Etymology: From émeri, from esmeril, from smericulum, from Ancient Greek (polytonic, á) "powder used for polishing".
- 1884, Samuel Smiles, Men of Invention and Industry
- :It took me from nine to ten days to grind and polish it ready for parabolising and silvering. I did this by hand labour with the aid of , but without a lathe. I finally used rouge instead of in grinding down the glass, until I could see my face in the mirror quite plain.
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