Thesaurus.com
Thesaurus / corundum
FEEDBACK
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

QUIZZES

Duel Your Dual Nature With This Quiz On Geminis

START THE QUIZ

EXAMPLE SENTENCES FROM THE WEB

Pliny says, corundum was used in the form of a splinter fixed in an iron style.
SCARABSISAAC MYER
The stones have been rubbed into shape apparently by corundum.
SCARABSISAAC MYER
This is true whether it has reference to a grindstone, emery, corundum wheel, or a plain oil stone.
Corundum and pure emery are ores that are very rich in aluminum, containing about fifty-four per cent.
Corundum is the hardest substance known, next to the diamond.
THE A B C OF MININGCHARLES A. BRAMBLE
Corundum is characterised by a high specific gravity (4.0) and extreme hardness.
In composition it differs entirely from sapphire, or the rhombohedral corundum.
Spinelle Ruby, called Dodecahedral corundum by some mineralogists, and Balas ruby by lapidaries.
Its name was derived from carbon and corundum (a form of alumina), from a mistaken view as to its composition.
Copper ore is found in many tracts throughout India, plumbago in Madras, and corundum in southern India.

WORDS RELATED TO CORUNDUM

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD OF THE DAY

pecuniaryadjective | [pi-kyoo-nee-er-ee ]SEE DEFINITION