carborundum (noun)

1. In the cartoon, the character used carborundum to create sparks and start a fire.

2. The architect selected carborundum tiles for the flooring, as they are durable and resistant to wear.

3. In the fantasy novel, the magical sword was said to be forged with carborundum, giving it incredible strength and cutting power.

4. Why did the comedian bring carborundum to the party? Because he wanted to make some abrasive jokes!