say it: ret-i-noh-bla-STOH-muh
retinoblastoma is a noun meaning "malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells". It carries one recorded sense.
malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for retinoblastoma come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.