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Definition of Corundum
1. Noun. Very hard mineral used as an abrasive.
Exact synonyms: Corundom
Generic synonyms: Mineral
Substance meronyms: Emery
Specialized synonyms: Alumina, Aluminium Oxide, Aluminum Oxide, Ruby, Sapphire
Generic synonyms: Mineral
Substance meronyms: Emery
Specialized synonyms: Alumina, Aluminium Oxide, Aluminum Oxide, Ruby, Sapphire
Definition of Corundum
1. n. The earth alumina, as found native in a crystalline state, including sapphire, which is the fine blue variety; the oriental ruby, or red sapphire; the oriental amethyst, or purple sapphire; and adamantine spar, the hair-brown variety. It is the hardest substance found native, next to the diamond.
Definition of Corundum
1. Noun. (minerology) An extremely hard mineral, a form of aluminum oxide with the chemical formula Al2O3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive. ¹
¹ Source: wiktionary.com
Definition of Corundum
1. a hard mineral [n -S]
Medical Definition of Corundum
1. Native crystalline aluminum oxide. Origin: Hind. Kurand (05 Mar 2000)
Lexicographical Neighbors of Corundum
Other Resources:
Bulgarian