protoplanetary disk

Fetched 2026-10-26 (cache).

Synonyms: protoplanetary disc

Antonyms: protoplanetary disc

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|astronomy}} A [[rotating]] disk of dense [[gas]] and [[dust]] surrounding a young newly formed [[star]], and from which [[planet]]s may be formed.

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