Phrase guide

protoplanetary disk

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A rotating disk of dense gas and dust surrounding a young newly formed star, and from which planets may be formed.

Definition source: English Wiktionary via Wiktextract

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Chinese Mandarin: 原行星盤 /原行星盘 — disk of dense gas and dust
  • Finnish: esiplanetaarinen kiekko — disk of dense gas and dust
  • Hindi: आदिग्रहीय चक्र (ādigrahīya cakra) — disk of dense gas and dust
  • Hungarian: protoplanetáris korong — disk of dense gas and dust
  • Japanese: 原始惑星系円盤 — disk of dense gas and dust
  • Polish: dysk protoplanetarny — disk of dense gas and dust