Carborundum
Definition 1 of 1

Industrial Usage
Carborundum is mainly used in industrial settings as an abrasive.

Many manufacturers rely on carborundum for creating fine finishes.
Metaphorical Toughness
The term carborundum can express someone's resilience.

He’s tough as carborundum—nothing brings him down.
Recognizing Context
In discussions, specify whether referring to the compound or its metaphorical use.

In a technical meeting, clarifying the context helps avoid confusion.
Compare with
gritabrasivesandpaperdiamond
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension