: a cell (such as a macrophage or neutrophil) that engulfs and consumes foreign material (such as microorganisms) and debris (such as dead tissue cells)

Examples of phagocyte in a Sentence

Recent Examples on the Web
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.
However, a new study led by La Trobe University has identified a physical trace left by dying cells that attaches to surfaces and could help direct phagocytes to the exact spot of death. — New Atlas, 16 Oct. 2025 And eventually the cell just disintegrates and gets eaten by circulating phagocytes. — Steven Strogatz, Quanta Magazine, 5 Dec. 2024 Some immune cells, like phagocytes, produce reactive oxygen species to kill microbes. — Merve Ceylan, Health, 21 Oct. 2024 The target cell breaks down to nothing inside the phagocyte without stimulating inflammation or other side effects. — William A. Haseltine, Forbes, 3 Oct. 2022

Word History

Etymology

International Scientific Vocabulary, from Greek phagein + New Latin -cyta -cyte

First Known Use

circa 1884, in the meaning defined above

Time Traveler
The first known use of phagocyte was circa 1884

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Cite this Entry

“Phagocyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phagocyte. Accessed 27 Sep. 2026.

Kids Definition

: a cell (as a white blood cell) that takes in and breaks down foreign material (as bacteria) and waste

Medical Definition

phagocyte

1 of 2 noun
: a cell (as a macrophage or neutrophil) that engulfs and consumes foreign material (as microorganisms) and debris (as dead tissue cells)

phagocyte

2 of 2 transitive verb
phagocyted; phagocyting

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