# milkstone

> English word · Noun

## Definitions
1. Any stone, such as galactite, thought to increase milk production in mammals.
2. Certain white stones.
3. A hard body that forms in a mammalian udder.
4. A layer of scale that forms on milk-processing equipment, mainly formed of cations of calcium and magnesium.

## Etymology
From milk + stone.

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