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 An obstetrician there told me my symptoms didn’t seem unusual; postpartum women can have high white blood cell counts. Laura Kusisto, WSJ, 24 May 2021 As his white blood cell count climbed in early 1998, Mann was getting worried. USA Today, 10 May 2021 Breathing in phytoncides, the aromatic oils released by trees, can increase the number of the body’s natural killer cells (a type of white blood cell crucial to the immune system that can limit the spread of microbial infections and tumors). New York Times, 6 Apr. 2021 Eventually, your body will develop memory cells known as T-lymphocytes, a type of white blood cell which protects you from future infection. Pam Moore, SELF, 30 Apr. 2021 When someone has had covid-19 or has received a vaccine to protect against it, the body’s immune system produces both antibodies as well as protective T cells, a white blood cell that helps protect against the disease. Washington Post, 17 Mar. 2021 Mast cell disorder is caused by an abnormal accumulation of a type of white blood cell that leads to allergic reactions. Madeline Holcombe, CNN, 9 Apr. 2021 Multiple myeloma is a cancer that forms in plasma cells, a type of white blood cell that helps fight infections. Adam Feuerstein, STAT, 29 Mar. 2021 Citrus fruits are rich in vitamin C, which supports white blood cell production and helps the body fight infection. Angela Watson, chicagotribune.com, 27 Mar. 2021

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.

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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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Statistics for white blood cell

Last Updated

30 May 2021

Cite this Entry

“White blood cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white%20blood%20cell. Accessed 23 Jun. 2021.

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More Definitions for white blood cell

white blood cell

noun

English Language Learners Definition of white blood cell

: a clear or colorless cell in the blood that protects the body from disease

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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