# rock salt

> English word · Noun

## Definitions
1. The mineral halite.
2. Coarsely ground common salt, often used as road salt, as feedstock, or for other applications.
3. Synonym of sea salt, due to its rocky texture.

## Etymology
From rock + salt.

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