# Population III

> English word · Proper noun

## Definitions
1. A hypothetical population or group of stars which may have existed in the early history of the Universe, characterized by being extremely massive and hot and having an extremely low metallicity.

## Etymology
Proposed as a category of stars of even poorer metallicity than Population II.

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