sickle cell

noun

: an abnormal red blood cell of crescent shape

Examples of sickle cell in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Gene therapy is now being used for certain cancers and sickle cell anemia. Lauren Pastrana, CBS News, 15 Dec. 2025 Nathan Ampofo-Anim, 17, from the UK, battles sickle cell anemia between races. Kimberly Wilson, Essence, 12 Dec. 2025 While most cases may resolve without medical treatment within a few days, the illness can be more serious (and potentially fatal) for infants, senior adults, people with weakened immune systems and individuals living with sickle cell disease. Moná Thomas, PEOPLE, 9 Dec. 2025 In addition to chromosomal abnormalities like trisomy 21—an extra copy of chromosome 21 that causes Down syndrome—tests also scan for life-altering diseases stemming from single-gene mutations like sickle cell anemia or cystic fibrosis. Amanda Gerut, Fortune, 29 Nov. 2025 See All Example Sentences for sickle cell

Word History

First Known Use

circa 1923, in the meaning defined above

Time Traveler
The first known use of sickle cell was circa 1923

Browse Nearby Words

Cite this Entry

“Sickle cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sickle%20cell. Accessed 20 Dec. 2025.

Kids Definition

sickle cell

noun
: an abnormal red blood cell that is crescent-shaped

Medical Definition

sickle cell

noun
1
: an abnormal rigid, sticky red blood cell of crescent shape
2
: a condition characterized by sickle cells : sickle cell anemia, sickle-cell trait
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!