proto-Neptune

proper noun

The planet Neptune at an early stage.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

proper noun

alternative protoNeptune

  1. The planet Neptune at an early stage.

Origin

From proto- + Neptune.

Full word history & related roots →
Cite this entry
APA

proto-Neptune. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/proto-Neptune

MLA

“proto-Neptune.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/proto-Neptune. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “proto-Neptune,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/proto-Neptune.

Source: proto-Neptune on Wiktionary, CC BY-SA 4.0.