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white blood cell
noun
: any of the blood cells that are colorless, lack hemoglobin, contain a nucleus, and include the lymphocytes, monocytes, neutrophils, eosinophils, and basophils
called also leukocyte, white blood corpuscle, white cell
compare red blood cellExamples of white blood cell in a Sentence
Recent Examples on the Web
Donovan was first diagnosed with chronic lymphocytic leukemia, a strain of the disease that starts in white blood cells and affects bone marrow, in 2000.
—CBS News, 26 Oct. 2024
Strengthening the immune system by supporting the action of white blood cells to fight viruses and bacteria.
—Alessandra Signorelli, Vogue, 2 Aug. 2024
This liquid, now called lymph, flows through your nodes, which, again, act as filters, trapping suspicious components and deploying an army of white blood cells against them.
—Erica Sloan, SELF, 30 Oct. 2024
The tonsils contain a plethora of white blood cells that help your body fight off infection and disease, according to Cleveland Clinic.
—Caroline C. Boyle, USA TODAY, 24 Oct. 2024
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Word History
First Known Use
1852, in the meaning defined above
Dictionary Entries Near white blood cell
Cite this Entry
“White blood cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white%20blood%20cell. Accessed 23 Nov. 2024.
Kids Definition
white blood cell
noun
: a colorless blood cell (as a lymphocyte) that lacks hemoglobin and contains a nucleus
called also leukocyte, white blood corpuscle, white cell, white corpuscle
Medical Definition
white blood cell
noun
: any of the blood cells of the immune system that are colorless, lack hemoglobin, contain a nucleus, and include the lymphocytes, monocytes, neutrophils, eosinophils, and basophils along with their precursors and derivatives (as macrophages) : leukocyte
—abbreviation WBC
called also white blood corpuscle, white cell, white corpuscle
compare red blood cellMore from Merriam-Webster on white blood cell
Nglish: Translation of white blood cell for Spanish Speakers
Britannica.com: Encyclopedia article about white blood cell
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