Emery is a hard dark mineral used as an abrasive. An emery board, emery paper, emery powder.
It is a natural mix of corundum and iron oxide, and corundum is the same mineral as sapphire, which is why it cuts so well. An emery board is the nail file most people own, and emery cloth is the metalworker's version.
1nounemeryA hard dark mineral used as an abrasive.
“The mechanic rubbed the rust off the metal with a strip of emery cloth.”
emery is a mineral.
French emeri comes through Italian from a Greek word for the stone.
Italian
smeriglio
Old French
esmeril
French
émeri
English, today
emery
From French émeri, from Old French esmeril, from Italian smeriglio.
Etymology from Wiktionary, CC BY-SA