# silundum

> English word · Noun

## Definitions
1. A hard form of silicon carbide with high electrical resistance.

## Etymology
Blend of silicon + corundum. Originally a trade name, in imitation of carborundum.

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