protoatmosphere

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noun

The gaseous components of a protoplanet

Scrabble 24
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Meanings

nounprotoatmosphere (plural protoatmospheres)

plural protoatmospheres

  1. The gaseous components of a protoplanet

Origin

From proto- + atmosphere.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

Source: protoatmosphere on Wiktionary, CC BY-SA 4.0.