retinoblastoma

noun

ret·i·no·blas·to·ma ˌre-tə-nō-ˌbla-ˈstō-mə

plural retinoblastomas also retinoblastomata ˌre-tə-nō-ˌbla-ˈstō-mə-tə

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

Example Sentences

Recent Examples on the Web At the age of 4 months, he was diagnosed with retinoblastoma in both eyes. —

Lawrence D Rosenblum, Discover Magazine, 19 Aug. 2014 She was born with retinoblastoma, a form of eye cancer, and is blind. —

Los Angeles Times, 9 Apr. 2021 Their approach: Raising awareness for retinoblastoma; donating Carly-Faith’s eye to cancer research; and fundraising to alleviate the financial burdens for families of pediatric cancer patients. —

Amie Just | Staff Writer, NOLA.com, 4 Jan. 2021 The hitmaker's late sister Jaime died of eye cancer (specifically retinoblastoma) in 1998. —

Darlene Aderoju, PEOPLE.com, 14 Mar. 2021 For My Cause, My Cleats this year, Davis wore cleats pertaining to retinoblastoma awareness. —

Amie Just | Staff Writer, NOLA.com, 4 Jan. 2021 This summer, Davis and his family received heartbreaking news in May when their 10-month-old daughter Carly-Faith was diagnosed with retinoblastoma, a rare optical cancer that affects roughly 300 children per year. —

Amie Just | Staff Writer, NOLA.com, 4 Jan. 2021 Shortly after his daughter Christy was born, she was diagnosed with retinoblastoma, a cancer that took her eyesight at a young age. —

Nataly Keomoungkhoun, Dallas News, 30 Dec. 2020 Because retinoblastoma can be hereditary in some cases, all kids diagnosed with the cancer must undergo two forms of genetic testing. —

Amie Just | Staff Writer, NOLA.com, 29 Oct. 2020 See More

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.

Word History

Etymology

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

First Known Use

1924, in the meaning defined above

Time Traveler

The first known use of retinoblastoma was in 1924

See more words from the same year

Dictionary Entries Near retinoblastoma

retinitis pigmentosa

retinoblastoma

retinoic acid

See More Nearby Entries

Cite this Entry

Style

“Retinoblastoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/retinoblastoma. Accessed 21 Mar. 2023.

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Medical Definition

retinoblastoma

noun

ret·i·no·blas·to·ma ˌret-ᵊn-ō-ˌblas-ˈtō-mə

plural retinoblastomas also retinoblastomata -mət-ə

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