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
Voclosporin is a next-generation calcineurin inhibitor (CNI), a class of drugs that suppresses the immune system by blocking calcineurin, an enzyme required for activating T-cells—a type of white blood cell central to immune responses.
—
Robert Alexander, MSNBC Newsweek, 5 Nov. 2025
According to Healthline, lymphoproliferative disorders are a group of diseases characterized by the uncontrolled production of white blood cells called lymphocytes.
—Madison E. Goldberg, PEOPLE, 4 Nov. 2025
Morton said that there are no plans to reduce the labor force, and part of the reason is that the new machines are better at separating platelets and white blood cells, components that are used in cancer treatment and research, respectively.
—Paul Sisson, San Diego Union-Tribune, 27 Oct. 2025
The mouse portion of the new research found that Covid mRNA vaccination appeared to make the immune system more attuned to recognizing tumors as a threat by stimulating dendritic cells, a type of white blood cell.
—Kaitlin Sullivan, NBC news, 19 Oct. 2025
See All Example Sentences for white blood cell
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Robert Alexander, MSNBC Newsweek, 5 Nov. 2025
According to Healthline, lymphoproliferative disorders are a group of diseases characterized by the uncontrolled production of white blood cells called lymphocytes.
—Madison E. Goldberg, PEOPLE, 4 Nov. 2025
Morton said that there are no plans to reduce the labor force, and part of the reason is that the new machines are better at separating platelets and white blood cells, components that are used in cancer treatment and research, respectively.
—Paul Sisson, San Diego Union-Tribune, 27 Oct. 2025
The mouse portion of the new research found that Covid mRNA vaccination appeared to make the immune system more attuned to recognizing tumors as a threat by stimulating dendritic cells, a type of white blood cell.
—Kaitlin Sullivan, NBC news, 19 Oct. 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 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share