Word.ws English Dictionary

proto-Neptune

proto-Neptune proper noun: the planet Neptune at an early stage.

Proper noun

proto-Neptune

  1. The planet Neptune at an early stage.

Forms of proto-Neptune

alternative formprotoNeptune

Origin of proto-Neptune

From proto- + Neptune.

Questions about proto-Neptune

What does proto-Neptune mean?
Proto-Neptune means the planet Neptune at an early stage.
What part of speech is proto-Neptune?
Proto-Neptune is a proper noun.

Words near proto-Neptune in the dictionary

  1. proto-mullets
  2. Proto-Munda
  3. proto-Muslim
  4. proto-Muslims
  5. Proto-Nakh
  6. proto-Neptune
  7. proto-neutron star
  8. proto-neutron stars
  9. Proto-Ngayarda
  10. proto-nickel
  11. Proto-Nicobarese

Source and license

Adapted from Wiktionary: proto-Neptune (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: “proto-Neptune.” Word.ws, https://word.ws/proto-neptune. Based on Wiktionary, CC BY-SA 4.0.