active galactic nuclei

A form of active galactic nucleus — A compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion of the (measurable) electromagnetic spectrum.

Similar
AGNsAGNeAGNi
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Meanings

noun
  1. pluralplural of active galactic nucleus

    Synonyms: AGNs, AGNe, AGNi

Synonyms & antonyms

Cite this entry
APA

active galactic nuclei. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/active%20galactic%20nuclei

MLA

“active galactic nuclei.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/active%20galactic%20nuclei. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “active galactic nuclei,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/active%20galactic%20nuclei.

Source: active galactic nuclei on Wiktionary, CC BY-SA 4.0.