protoplanet

Fetched 2026-10-26 (cache).

Synonyms: protoplast, protoplanets

Antonyms: protoplast, protoplanets

Related words from Datamuse; suggestions, not definitions.

Noun

1. An [[astronomical]] object, approximately the size of the [[Moon]], formed from the mutual [[gravitational]] [[attraction]] of [[planetesimal]]s; they are thought to [[collide]] with each other and slowly form [[planet]]s

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.