leukemia
noun
leu·ke·mia
lü-ˈkē-mē-ə 
: an acute or chronic disease in humans and other warm-blooded animals characterized by an abnormal increase in the number of white blood cells in the tissues and often in the blood
Examples of leukemia in a Sentence
Recent Examples on the Web
Contreras-Cervantes is expected to have a shorter life span because of his leukemia, his wife said in a statement.
—
Julia Marnin, Kansas City Star, 6 Oct. 2025
Macon is undergoing treatment for B-cell acute lymphoblastic leukemia, diagnosed at his 2-year-old checkup this past January.
—Kendall Malinchock, USA Today, 2 Oct. 2025
The American Civil Liberties Union (ACLU) of Michigan has filed a case in federal court on behalf of eight undocumented individuals who have been detained, including a father battling a rare form of leukemia.
—Ely Brown, ABC News, 2 Oct. 2025
At the end of 2024, Caldera revealed to her followers that she had been recently diagnosed with leukemia after visiting the hospital for a headache that wouldn’t go away for multiple days.
—Luke Chinman, PEOPLE, 29 Sep. 2025
See All Example Sentences for leukemia
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Julia Marnin, Kansas City Star, 6 Oct. 2025
Macon is undergoing treatment for B-cell acute lymphoblastic leukemia, diagnosed at his 2-year-old checkup this past January.
—Kendall Malinchock, USA Today, 2 Oct. 2025
The American Civil Liberties Union (ACLU) of Michigan has filed a case in federal court on behalf of eight undocumented individuals who have been detained, including a father battling a rare form of leukemia.
—Ely Brown, ABC News, 2 Oct. 2025
At the end of 2024, Caldera revealed to her followers that she had been recently diagnosed with leukemia after visiting the hospital for a headache that wouldn’t go away for multiple days.
—Luke Chinman, PEOPLE, 29 Sep. 2025
See All Example Sentences for leukemia
Cite this Entry
“Leukemia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leukemia. Accessed 9 Oct. 2025.
Copy CitationKids Definition
leukemia
noun
leu·ke·mia
lü-ˈkē-mē-ə
: a disease of warm-blooded animals including human beings that is a kind of cancer in which there is an abnormal increase in the number of white blood cells in the tissues and often in the blood
Medical Definition
leukemia
noun
leu·ke·mia
lü-ˈkē-mē-ə
variants
also leucemia
or chiefly British leukaemia
also leucaemia
lü-ˈkē- also lü-ˈsē-
: an acute or chronic disease of unknown cause in humans and other warm-blooded animals that involves the blood-forming organs, is characterized by an abnormal increase in the number of white blood cells in the tissues of the body with or without a corresponding increase of those in the circulating blood, and is classified according to the type of white blood cell most prominently involved see acute lymphoblastic leukemia, acute myelogenous leukemia, chronic lymphocytic leukemia, chronic myelogenous leukemia, feline leukemia, lymphoblastic leukemia, lymphocytic leukemia, monocytic leukemia, myelogenous leukemia, promyelocytic leukemia
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