# Stone Age

> English word · Proper noun · IPA /ˈstəʊn ˌeɪdʒ/

## Definitions
1. A broad prehistoric period during which humans widely used stone for toolmaking.
2. Any extremely primitive or undeveloped era.
3. The time a particular field was introduced and was in its earliest stages of development.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/stone-age