# carborundum

> English word · Noun · IPA /ˌkɑɹ.bəˈɹʌn.dəm/

## Definitions
1. Crystals of silicon carbide used as an abrasive.

## Etymology
Blend of carbon + corundum; originally a trade name.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/carborundum