Carborundum

[ kahr-buh-ruhn-duhm ]

Trademark.

1. a form of manufactured silicon carbide used industrially as an abrasive and refractory. Compare moissanite ( def ).

Carborundum

/ ˌkɑːbəˈrʌndəm /

noun

1. 1. any of various abrasive materials, esp one consisting of silicon carbide
   2. ( as modifier )

      a Carborundum wheel

Example Sentences

During an ill-judged cleaning operation, much of the patina was literally scraped away with wire brushes, copper chisels and coarse carborundum, also known as silicon carbide, a harsh abrasive cleaning agent that was deemed inappropriate even back then.

From New York Times

Along the way, try to remember what your fellow Floridian, Gen. Joe Stillwell, who led the fight against Imperial Japan in China, Burma and India, adopted as his Latin motto: “Illegitimi non carborundum.”

From Fox News

On Tuesday McCain cast further shade against the president by tweeting, "As my father always used to say to me - Illegitimi non carborundum."

From Salon

Later in the night, Meghan McCain responded to Trump’s most recent attacks by tweeting, “As my father always used to say to me - Illegitimi non carborundum,” which means “Don’t let the b--tards grind you down.”

From Fox News

As my father always used to say to me - Illegitimi non carborundum.

From Washington Times