ret·i·no·blas·to·ma | \ˌre-tə-nō-ˌbla-ˈstō-mə \
plural retinoblastomas also retinoblastomata\ˌre-tə-nō-ˌbla-ˈstō-mə-tə \

Definition of retinoblastoma 

: a malignant tumor of the retina that develops during childhood, is derived from retinal germ cells, and is associated with a chromosomal abnormality

Examples of retinoblastoma in a Sentence

Recent Examples on the Web

SUBSCRIBE TODAY Salette Ruiz was diagnosed at age 2 with a rare eye cancer called retinoblastoma. Daniel Chang, miamiherald, "'They killed my kid.' Parents sue renowned doctor, hospital after children die of cancer | Miami Herald," 18 May 2018 Doctors diagnosed him with retinoblastoma, a rare cancer of the retina that mostly affects infants and young children. Samantha Bresnahan, CNN, "USC football player: 'OK, I'm blind ... Now let's deal with it'," 4 Apr. 2018 Research involves chemotherapy to treat retinoblastoma, a cancer that begins in the retina, the black part of the eyeball. Joe Davidson | Columnist, Washington Post, "Whistleblowers at U.S. funded research institutions fear retaliation," 25 Sep. 2017 Olson lost his eye sight to retinoblastoma, a form of eye cancer. Jason Gold Diehards, ajc, "WATCH: Long snapper Jake Olson reflects on becoming a part of the USC family," 19 Sep. 2017 Olson was born with retinoblastoma, a cancer of the retina. Jim Kleinpeter,, "NBA pursuing draft lottery changes to be voted in prior to 2017-18 season: report," 7 Sep. 2017 Olson was born with an eye cancer called retinoblastoma. Andy Staples,, "The Best- and Worst-Case Scenarios for Teams at the Center of Week 1's Biggest Plot Twists," 4 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'retinoblastoma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of retinoblastoma

1924, in the meaning defined above

History and Etymology for retinoblastoma

New Latin, from retin- + blast- + -oma

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25 Sep 2018

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The first known use of retinoblastoma was in 1924

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More Definitions for retinoblastoma


ret·i·no·blas·to·ma | \ˌret-ᵊn-ō-ˌblas-ˈtō-mə \
plural retinoblastomas also retinoblastomata\-mət-ə \

Medical Definition of retinoblastoma 

: a hereditary malignant tumor of the retina that develops during childhood, is derived from retinal germ cells, and is associated with a chromosomal abnormality

More from Merriam-Webster on retinoblastoma Encyclopedia article about retinoblastoma

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