CARBORUNDUM

carborundum

(noun) an abrasive composed of silicon carbide crystals

Source: WordNet® 3.1


Car`bo*run"dum, [Carbon + corundum.]

Definition: A beautiful crystalline compound, SiC, consisting of carbon and silicon in combination; carbon silicide. It is made by heating carbon and sand together in an electric furnace. The commercial article is dark-colored and iridescent. It is harder than emery, and is used as an abrasive.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 April 2025

CATCH

(verb) grasp with the mind or develop an understanding of; “did you catch that allusion?”; “We caught something of his theory in the lecture”; “don’t catch your meaning”; “did you get it?”; “She didn’t get the joke”; “I just don’t get him”


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Coffee Trivia

As of 2019, Starbucks opens a new store every 15 hours in China. The coffee chain has grown by 700% over the past decade.

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