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
Bright, crunchy and packed with vitamin C, red bell peppers help increase the body’s supply of white blood cells and antibodies.
—
Jazmine A. Ortiz, USA Today, 3 Sep. 2025
Purple illustrated macrophages, white blood cells in the immune system.
—Hannah Millington, MSNBC Newsweek, 2 Sep. 2025
Levels of monocytes – inflammatory white blood cells that move into artery walls and become macrophages – fell by 32%.
—New Atlas, 26 Aug. 2025
The culprit is mast cells, a type of white blood cell that releases histamine and other inflammatory chemicals, making skin red, itchy, and swollen.
—Lauryn Higgins, Flow Space, 25 Aug. 2025
See All Example Sentences for white blood cell
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Jazmine A. Ortiz, USA Today, 3 Sep. 2025
Purple illustrated macrophages, white blood cells in the immune system.
—Hannah Millington, MSNBC Newsweek, 2 Sep. 2025
Levels of monocytes – inflammatory white blood cells that move into artery walls and become macrophages – fell by 32%.
—New Atlas, 26 Aug. 2025
The culprit is mast cells, a type of white blood cell that releases histamine and other inflammatory chemicals, making skin red, itchy, and swollen.
—Lauryn Higgins, Flow Space, 25 Aug. 2025
See All Example Sentences for 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 9 Sep. 2025.
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