blastocyst
/ˈblæstəsɪst/noun
blastocyst is spelled B-L-A-S-T-O-C-Y-S-T. The wrong spelling people search most is bastocyst: about 10 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 73 of all searches for the word. Blastocyst is a noun meaning “The mammalian blastula”. The plural of blastocyst is blastocysts.
How many letters and syllables are in blastocyst?
| Letters | 10: B-L-A-S-T-O-C-Y-S-T |
|---|---|
| In writing | about once in every 10 million words; the 93,703rd most frequent word form |
| Wrong spellings searched | 1; the most searched, bastocyst, about 10 Bing searches a month (all of them) |
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); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell blastocyst?
Blastocyst is spelled B-L-A-S-T-O-C-Y-S-T. One wrong spelling is searched or written often enough to measure; together they are about 1 in 73 of the searches for blastocyst in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is blastocyst?
Blastocyst appears about once in every 10 million words in written English, the 93,703rd 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 blastocyst?
- /ˈblæstəsɪst/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Yangolin-blastocyst.wav, Wikimedia Commons (author and licence on each file's page).
Forms of blastocyst
- blastocysts plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does blastocyst mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The mammalian blastula.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Blastocyst in Spanish, French, German and Portuguese
In the sense mammalian blastula:
| Language | Words |
|---|---|
| French | blastocyste |
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 blastocyst come from?
From blasto- + cyst.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).