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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
For example, a category of cell that makes blood cells can produce red or white blood cells — but cannot arbitrarily divide into skin cells or neurons.
—Paul Smaglik, Discover Magazine, 3 Oct. 2024
An important part of the immune system, eosinophils are a type of white blood cell that can cause inflammation in the lungs and exacerbate breathing problems.
—Lisa Rapaport, EverydayHealth.com, 27 Sep. 2024
Monocytes are white blood cells responsible for fighting certain infections and helping other white blood cells remove dead or damaged cells.
—New Atlas, 12 Sep. 2024
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
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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 29 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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