# philosophers' stone

> English word · Noun

## Definitions
1. Alternative form of philosopher's stone.

## Etymology
From Middle English philosophres ston, a calque of Latin lapis philosophōrum.

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