Breadcrumb Home > Thesaurus > R Synonyms of retinoblastoma Find synonyms for: Noun 1. retinoblastoma, malignant tumor, malignant neoplasm, metastatic tumor usage: malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of retinoblastoma (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: variegate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language