noun, plural ret·ino·blas·to·mas, ret·ino·blas·to·ma·ta [ret-noh-bla-stoh-muh-tuh] /ˌrɛt noʊ blæˈstoʊ mə tə/.

Pathology. an inheritable tumor of the eye.

Nearby words

  1. retinitis,
  2. retinitis pigmentosa,
  3. retinitis proliferans,
  4. retinitis sclopetaria,
  5. retino-,
  6. retinocerebral angiomatosis,
  7. retinochoroid,
  8. retinochoroiditis,
  9. retinochoroiditis juxtapapillaris,
  10. retinodialysis

Origin of retinoblastoma

First recorded in 1920–25; retin(a) + -o- + blastoma Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for retinoblastoma

Medicine definitions for retinoblastoma



n. pl. ret•i•no•blas•to•mas

A hereditary malignant tumor of the retina, transmitted as a dominant trait and occurring chiefly among infants.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.