white blood cell

noun

Definition of white blood cell

: 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 cell

Examples of white blood cell in a Sentence

Recent Examples on the Web If someone infected with the virus has bloodwork done, the tests may reveal low white blood cell counts and platelet counts, and/or higher levels of liver enzymes. Carolyn L. Todd, SELF, 17 Mar. 2022 Some people infected with the virus have been diagnosed with lower than normal white blood cell counts and lower than normal counts of platelets, which aid in blood clotting. NBC News, 16 Mar. 2022 Most people with a low overall white blood cell count have low numbers of neutrophils. Dr. Keith Roach, oregonlive, 12 May 2022 The treatment depleted her B cells, a type of white blood cell that produces antibodies to fight bacteria and viruses. Hartford Courant, 16 May 2022 The nurse sent her to a lab, and multiple mono tests came up negative, and her white blood cell count was close to average. Julia Moore, PEOPLE.com, 8 Apr. 2022 Physical activity upregulates all kinds of cells, like natural killer cells, a white blood cell type that actually seek out and eliminate cells that are cancerous. Elizabeth Cooney, STAT, 25 Nov. 2021 The virus enters cells at the back of the throat and from there moves into B cells, a type of white blood cell that produces antibodies. New York Times, 23 Feb. 2022 That’s when your white blood cell count is super low. Lindsey Bartlett, Forbes, 28 Jan. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'white blood cell.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of white blood cell

1852, in the meaning defined above

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Time Traveler for white blood cell

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The first known use of white blood cell was in 1852

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Dictionary Entries Near white blood cell

white blister

white blood cell

white blood count

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Statistics for white blood cell

Last Updated

29 Jul 2022

Cite this Entry

“White blood cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white%20blood%20cell. Accessed 7 Aug. 2022.

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More Definitions for white blood cell

white blood cell

noun

Kids Definition of white blood cell

: one of the tiny colorless cells of the blood that help fight infection

white blood cell

noun

Medical Definition of white blood cell

: 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 cell

More 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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