protostar
pro·to·star/ˈpɹəʊtə(ʊ)stɑː/noun
protostar is spelled P-R-O-T-O-S-T-A-R: 9 letters and 3 syllables (pro·to·star). It appears about once in every 27 million words in written English, the 157,761st most frequent word form (wordfreq, 2021 data). As a noun, protostar means “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” (English Wiktionary, September 2026). The plural of protostar is protostars.
How many letters and syllables are in protostar?
| Letters | 9: P-R-O-T-O-S-T-A-R |
|---|---|
| Syllables | 3: pro·to·star |
| In writing | about once in every 27 million words; the 157,761st most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is protostar?
Protostar appears about once in every 27 million words in written English, the 157,761st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce protostar?
- UK /ˈpɹəʊtə(ʊ)stɑː/
Protostar has 3 syllables, split pro·to·star in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of protostar
- protostars plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does protostar mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
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.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Protostar in Spanish, French, German and Portuguese
In the sense protostar:
| Language | Words |
|---|---|
| French | protoétoile |
| Portuguese | protoestrela |
| Spanish | protoestrella |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does protostar come from?
From proto- + star. Compare later protostellar.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).