• synonyms


noun, plural ret·ino·blas·to·mas, ret·ino·blas·to·ma·ta [ret-noh-bla-stoh-muh-tuh] /ˌrɛt noʊ blæˈstoʊ mə tə/.
  1. Pathology. an inheritable tumor of the eye.
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Origin of retinoblastoma

First recorded in 1920–25; retin(a) + -o- + blastoma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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retinoblastoma in Medicine


n. pl. ret•i•no•blas•to•mas
  1. A hereditary malignant tumor of the retina, transmitted as a dominant trait and occurring chiefly among infants.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.