leukemia

noun

leu·​ke·​mia lü-ˈkē-mē-ə How to pronounce leukemia (audio)
: 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
leukemic adjective or noun

Examples of leukemia 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.
Schlossberg, a former climate and energy reporter at the New York Times, was diagnosed with acute myeloid leukemia after her daughter was born in 2024. Zack Sharf, Variety, 31 Dec. 2025 The cause was acute myeloid leukemia, a rare cancer of the blood and bone marrow. Jay Stahl, USA Today, 31 Dec. 2025 The researchers paired venetoclax, a drug commonly used to treat leukemia, with palbociclib, which is used for breast cancer. Khloe Quill, FOXNews.com, 31 Dec. 2025 Schlossberg revealed that she was diagnosed with acute myeloid leukemia just weeks before her death, penning a heartbreaking New Yorker essay about the diagnosis while revealing she had been given one year to live. Lara Walsh, InStyle, 31 Dec. 2025 See All Example Sentences for leukemia

Word History

Etymology

New Latin

First Known Use

1850, in the meaning defined above

Time Traveler
The first known use of leukemia was in 1850

Browse Nearby Words

Cite this Entry

“Leukemia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leukemia. Accessed 1 Jan. 2026.

Kids Definition

leukemia

noun
leu·​ke·​mia lü-ˈkē-mē-ə How to pronounce leukemia (audio)
: 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
leukemic adjective

Medical Definition

leukemia

noun
leu·​ke·​mia lü-ˈkē-mē-ə How to pronounce leukemia (audio)
variants also leucemia
lü-ˈkē- also lü-ˈsē-
or chiefly British leukaemia also leucaemia
: 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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