Standard Lemma guide

blastocyst

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈblæstəsɪst/
  • General-American: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

The mammalian blastula.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: blastodermic vessicle

Antonyms: none provided

Broader terms: blastula, blastosphere

History

Etymology

Etymology tree English blasto- Proto-Indo-European *(s)kewH-? Proto-Indo-European *ḱewh1-der.? Ancient Greek κῠ́ω (kŭ́ō)? Ancient Greek κύστις (kústis)der. Late Latin cystisder. English cyst English blastocyst From blasto- + cyst.

Across languages

Translations

10 source translations are retained for this English entry.

  • Finnish: alkiorakkula — mammalian blastula
  • Finnish: blastokysti — mammalian blastula
  • Finnish: blastokysta — mammalian blastula
  • French: blastocyste — mammalian blastula
  • Hindi: कोरकपुटी (korakpuṭī) — mammalian blastula
  • Icelandic: kímblaðra — mammalian blastula
  • Irish: blastaicist — mammalian blastula
  • Northern Kurdish: blastoçikildan — mammalian blastula
  • Marathi: कोरकपुटी (korakpuṭī) — mammalian blastula
  • Polish: blastocysta — mammalian blastula