protoplanet

[ proh-toh-plan-it ]

nounAstronomy.
  1. the collection of matter, in the process of condensation, from which a planet is formed.

Origin of protoplanet

1
First recorded in 1945–50; proto- + planet

Words Nearby protoplanet

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How to use protoplanet in a sentence

British Dictionary definitions for protoplanet

protoplanet

/ (ˌprəʊtəʊˈplænɪt) /


noun
  1. a planet in its early stages of evolution by the process of accretion

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