carborundum
Pronunciación: [kɑːrbəˈrʌndəm]
Palabra
Contexto: «material science»
(noun) Carborundum is a very hard material made of silicon carbide. It's often used for making tools that grind or cut other materials because it’s really tough.
Ejemplo
The workshop uses carborundum to create strong cutting tools that last a long time.
Ejemplo
The standard tools couldn't compete with the durability of carborundum, as they wore out quickly.
Ejemplo
Do you know why carborundum is preferred for manufacturing cutting tools?
Contexto: «historical product»
(noun) Carborundum was originally a trademark name for a type of abrasive that is made from silicon carbide. It was first created in the late 19th century.
Ejemplo
Back in the day, carborundum was widely used for polishing glass and metals.
Ejemplo
Today, most people don't use carborundum as much as they used to because there are better options available.
Ejemplo
What do you think made carborundum so popular in the past?
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