# plerion

> English word · Noun

## Definitions
1. A nebula powered by the pulsar wind of a pulsar.

## Etymology
Coined by Weiler & Panagia (1978), from Ancient Greek πλήρης (plḗrēs, “full”).

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