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



RESET




Word of the Day

7 February 2025

STORY

(noun) a piece of fiction that narrates a chain of related events; “he writes stories for the magazines”


coffee icon

Coffee Trivia

There are more than 50 countries that export coffee. They are near the equator, where the climate is conducive to producing coffee beans.

coffee icon