protoplanetesimal

noun

A very small protoplanet

Similar
protoplanetary
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Meanings

nounprotoplanetesimal (plural protoplanetesimals)

plural protoplanetesimals

  1. A very small protoplanet
adjectiveprotoplanetesimal (not comparable)
  1. not comparableSynonym of protoplanetary.

    Synonyms: protoplanetary

Synonyms & antonyms

adjectiveSynonym of protoplanetary.

Similar
protoplanetary

Origin

From proto- + planetesimal.

Full word history & related roots →
Cite this entry
APA

protoplanetesimal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/protoplanetesimal

MLA

“protoplanetesimal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protoplanetesimal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “protoplanetesimal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/protoplanetesimal.

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