# bluestone

> English word · Noun · frequency rank #54,648

## Definitions
1. Any of several bluish-grey varieties of stone used for construction
2. Any of several bluish-grey varieties of stone used for construction:
3. Any of several bluish-grey varieties of stone used for construction:
4. Any of several bluish-grey varieties of stone used for construction:
5. Any of several bluish-grey varieties of stone used for construction:
6. Any of several bluish-grey varieties of stone used for construction:
7. Any of several bluish-grey varieties of stone used for construction:
8. Either of two related copper- and sulfur-based bright blue stones:
9. Either of two related copper- and sulfur-based bright blue stones:
10. Lapis lazuli, or its core constituent, lazurite.

## Etymology
From blue + stone.

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