Word.ws English Dictionary

protoplanetary nebulae

protoplanetary nebulae is the plural of protoplanetary nebula.

Meaning of protoplanetary nebula

Noun

protoplanetary nebula (plural protoplanetary nebulae or protoplanetary nebulas)

  1. A stage in stellar evolution when a star starts to shed its outer layers before coming a true planetary nebula.

Questions about protoplanetary nebulae

What is protoplanetary nebulae the plural of?
Protoplanetary nebulae is the plural of protoplanetary nebula.

Words near protoplanetary nebulae in the dictionary

  1. protoplanetary disc
  2. protoplanetary discs
  3. protoplanetary disk
  4. protoplanetary disks
  5. protoplanetary nebula
  6. protoplanetary nebulae
  7. protoplanetary nebulas
  8. protoplanetesimal
  9. protoplanetesimals
  10. protoplanets
  11. protoplasm

Source and license

Adapted from Wiktionary: protoplanetary nebulae (page history and authors); protoplanetary 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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Cite this entry: “protoplanetary nebulae.” Word.ws, https://word.ws/protoplanetary_nebulae. Based on Wiktionary, CC BY-SA 4.0.