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.
General-American:/blæstˈoʊmə/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:B L AE2 S T OW1 M AH0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A tumour that is caused by malignancies in precursor cells or blasts.
Definition source: English Wiktionary via Wiktextract
Topics: medicine, pathology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a tumor composed of immature undifferentiated cells
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: blastocytoma, embryonal carcinosarcoma
Antonyms: none provided
Broader terms: tumor, tumour, neoplasm
History
Etymology
From blast- + -oma.
Across languages
Translations
10 source translations are retained for this English entry.
Chinese Mandarin:
胚細胞瘤 /胚细胞瘤
(pēixìbāoliú)
— type of tumour