protostar

pro·to·star
P3R1O1T1O1S1T1A1R1
UK/ˈpɹəʊtə(ʊ)stɑː/

noun

A collection of gas and dust in space with high temperature that usually grows to the point of beginning nuclear fusion and becoming a star.

Similar
infant starprotosun
RareScrabble 11
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounprotostar (plural protostars)

plural protostars

  1. astronomyA collection of gas and dust in space with high temperature that usually grows to the point of beginning nuclear fusion and becoming a star.

    Synonyms: infant star, protosun

Synonyms & antonyms

nounA collection of gas and dust in space with high temperature that usually grows to the point of beginning nuclear fusion and becoming a star.

Similar
infant starprotosun
Also see
infant starprotosun

Origin

From proto- + star. Compare later protostellar.

Full word history & related roots →

Translations

Chinese Mandarin 原恆星 /原恒星
  • 原恆星 /原恒星 (yuánhéngxīng)protostar
French protoétoile
  • protoétoileprotostar
Irish prótairéalta
  • prótairéaltaprotostar
Italian protostella
  • protostellaprotostar
Japanese 原始星
  • 原始星 (genshisē)protostar
Korean 원시별
  • 원시별 (wonsibyeol)protostar
Persian پیشستاره
  • پیشستارهprotostar
Polish protogwiazda
  • protogwiazdaprotostar
Portuguese protoestrela
  • protoestrelaprotostar
Russian протозвезда́
  • протозвезда́ (protozvezdá)protostar
Spanish protoestrella
  • protoestrellaprotostar
Swedish protostjärna
  • protostjärnaprotostar
Cite this entry
APA

protostar. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/protostar

MLA

“protostar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protostar. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “protostar,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/protostar.

Source: protostar on Wiktionary, CC BY-SA 4.0.