# Seyfert galaxy

> English word · Noun

## Definitions
1. A kind of galaxy having quasar-like nuclei.

## Etymology
Named after Carl Seyfert, who first described this class in 1943.

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