active galaxy

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|galaxy}} A galaxy where a [[significant]] [[fraction]] of the [[energy]] [[output]] is not [[emitted]] by the [[normal]] [[component]]s of a galaxy.
2. {{lb|en|by restriction}} A [[galaxy]] with an active nucleus ([[AGN]], [[active galactic nucleus]])

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.