Emery



noun
1.
(coarse abrasive used for polishing metal or wok etc) emery paper ក្រដាស់ខាត់ម៉្យាង, ជាតិ, emery wheel ថ្មបិត (មូលដែលវិល)
ENGLISH MEANING
noun
1.
Corundum in the form of grains or powder, used in the arts for grinding and polishing hard substances. Native emery is mixed with more or less magnetic iron.