Word.ws English Dictionary

protoplanetary nebulas

protoplanetary nebulas 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 nebulas

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

Words near protoplanetary nebulas in the dictionary

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

Source and license

Adapted from Wiktionary: protoplanetary nebulas (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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