Word.ws English Dictionary

active galactic nuclei

active galactic nuclei is the plural of active galactic nucleus.

Meaning of active galactic nucleus

Noun

active galactic nucleus (plural active galactic nuclei)

  1. 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.
    Synonyms:
    AGN

Synonyms of active galactic nuclei

Questions about active galactic nuclei

What is active galactic nuclei the plural of?
Active galactic nuclei is the plural of active galactic nucleus.

Words near active galactic nuclei in the dictionary

  1. active euthanasia
  2. active fault
  3. active faults
  4. active front
  5. active fronts
  6. active galactic nuclei
  7. active galactic nucleus
  8. active galaxies
  9. active galaxy
  10. active gravitational mass
  11. active gravitational masses

Source and license

Adapted from Wiktionary: active galactic nuclei (page history and authors); active galactic nucleus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “active galactic nuclei.” Word.ws, https://word.ws/active_galactic_nuclei. Based on Wiktionary, CC BY-SA 4.0.