planetesimal

Fetched 2026-10-26 (cache).

Synonyms: planetessimal, planetesimals

Antonyms: planetessimal, planetesimals

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|astronomy}} Any of many small, solid [[astronomical]] objects that orbit a [[star]] and form [[protoplanet]]s through mutual [[gravitational]] [[attraction]].

Adjective

1. {{lb|en|astronomy}} Being or relating to one of these astronomical objects.

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