Word.ws English Dictionary

planetary nebulae

planetary nebulae is the plural of planetary nebula.

Meaning of planetary nebula

Noun

planetary nebula (plural planetary nebulas or planetary nebulae)

  1. A nebulosity surrounding a dying red giant, consisting of material expelled by the star.
    Synonyms:
    PN

Questions about planetary nebulae

What is planetary nebulae the plural of?
Planetary nebulae is the plural of planetary nebula.

Words near planetary nebulae in the dictionary

  1. planetary gears
  2. planetary geology
  3. planetary nebula
  4. planetary nebula nuclei
  5. planetary nebula nucleus
  6. planetary nebulae
  7. planetary nebulas
  8. planetary object
  9. planetary objects
  10. planetary ring
  11. planetary rings

Source and license

Adapted from Wiktionary: planetary nebulae (page history and authors); planetary nebula (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.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Wodencafe-planetary nebulae.wav.

Cite this entry: “planetary nebulae.” Word.ws, https://word.ws/planetary_nebulae. Based on Wiktionary, CC BY-SA 4.0.