protoplanetary
adjective
protoplanetary is spelled P-R-O-T-O-P-L-A-N-E-T-A-R-Y: 14 letters. It appears about once in every 22 million words in written English, the 141,699th most frequent word form (wordfreq, 2021 data). As an adjective, protoplanetary means “Of or pertaining to a protoplanet” (English Wiktionary, September 2026).
How many letters and syllables are in protoplanetary?
| Letters | 14: P-R-O-T-O-P-L-A-N-E-T-A-R-Y |
|---|---|
| In writing | about once in every 22 million words; the 141,699th 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 protoplanetary?
Protoplanetary appears about once in every 22 million words in written English, the 141,699th 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).
Forms of protoplanetary
- proto-planetary
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does protoplanetary mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of or pertaining to a protoplanet.
- 2
Relating to a stage in the life of a red giant star or its protoplanetary nebula during the star's final stages of life
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Protoplanetary in Spanish, French, German and Portuguese
In the sense of or pertaining to a protoplanet:
| Language | Words |
|---|---|
| German | protoplanetar, protoplanetarisch |
| Spanish | protoplanetario |
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 protoplanetary come from?
From proto- + planetary and protoplanet + -ary.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).