| 释义 |
corundom
Thesaurus| Noun | 1.corundom - very hard mineral used as an abrasivecorundummineral - solid homogeneous inorganic substances occurring in nature having a definite chemical compositionemery - a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)alumina, aluminium oxide, aluminum oxide - any of various forms of aluminum oxide occurring naturally as corundumruby - a transparent deep red variety of corundum; used as a gemstone and in laserssapphire - a precious transparent stone of rich blue corundum valued as a gemstone |
corundom
Synonyms for corundomnoun very hard mineral used as an abrasiveSynonymsRelated Words- mineral
- emery
- alumina
- aluminium oxide
- aluminum oxide
- ruby
- sapphire
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