blastocyst

B3L1A1S1T1O1C3Y4S1T1
/ˈblæstəsɪst/

noun

The mammalian blastula.

Similar
blastodermic vesicle
OriginEnglish cyst ← Late Latin cystis ← Ancient Greek κύστις (kústis) →
UncommonScrabble 17
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Meanings

nounblastocyst (plural blastocysts)

plural blastocysts

  1. biologyThe mammalian blastula.

Synonyms & antonyms

nounthe blastula of a placental mammal in which some differentiation of cells has occurred

Similar
blastodermic vesicle
Broader
blastulablastosphere

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekβλᾰστᾰ́νω (blăstắnō)
  2. Ancient Greekβλαστός (blastós)
  3. Englishblasto-
  4. Proto-Indo-European*(s)kewH-?
  5. Proto-Indo-European*ḱewh₁-
  6. Proto-Indo-European*ḱuh₁éyeti
  7. Ancient Greekκῠ́ω (kŭ́ō)?
  8. Ancient Greekκύστις (kústis)
  9. Late Latincystis
  10. Englishcyst
  11. Englishblastocyst

From blasto- + cyst.

Full word history & related roots →

Translations

Finnish alkiorakkula, blastokysti
  • alkiorakkulamammalian blastula
  • blastokystimammalian blastula
  • blastokystamammalian blastula
French blastocyste
  • blastocystemammalian blastula
Hindi कोरकपुटी
  • कोरकपुटी (korakpuṭī)mammalian blastula
Icelandic kímblaðra
  • kímblaðramammalian blastula
Irish blastaicist
  • blastaicistmammalian blastula
Polish blastocysta
  • blastocystamammalian blastula
Russian бластоциста
  • бластоциста (blastocista)mammalian blastula

Rhymes & wordplay

Anagrams

cystoblast
Cite this entry
APA

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

MLA

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

Chicago

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

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