noun ·6 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   A malignant tumour of the retina; a hereditary condition found mostly in children.

   "Retinoblastoma has two distinct variants, an inherited “familial” form and a sporadic form."

2. 2
   malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells wordnet

Synonyms

All synonyms

cataractcross eyedetached retinaeyeglaucomapink eye

Example

More examples

"Retinoblastoma has two distinct variants, an inherited “familial” form and a sporadic form."

Etymology

From retino- + blastoma.

Related phrases

retinoblastoma protein

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.