单词 | emery |
释义 | emery n.   1. a coarse rock of corundum and magnetite or haematite used for polishing metal or other hard materials.   2. (attrib.) covered with emery. Phrases and idioms emery-board a strip of thin wood or board coated with emery or another abrasive, used as a nail-file. emery-paper cloth or paper covered with emery, used for polishing or cleaning metals etc. Etymology: F {eacute}meri(l) f. It. smeriglio ult. f. Gk smuris, smeris polishing powder |
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