单词 | emery |
释义 | emery /em"euh ree, em"ree/, n. a granular mineral substance consisting typically of corundum mixed with magnetite or hematite, used powdered, crushed, or consolidated for grinding and polishing. [1475-85; < MF emeri, OF esmeril < VL *smericulum, equiv. to MGk smêri (for Gk smýris rubbing powder; akin to SMEAR) + L -culum -CULE2] |
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