from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A hereditary malignant tumor of the retina, transmitted as a dominant trait and occurring chiefly among infants.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A malignant tumour of the retina; a hereditary condition found mostly in children.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells
From retina + blastoma (Wiktionary)