What does phagocytic mean?
Phagocytic is a technical adjective describing the ability of cells to engulf and digest particles through a process called phagocytosis. In medicine and biology, the term is especially associated with immune cells such as neutrophils and macrophages, which surround and consume bacteria, dead cells, and other debris. The word can also describe the cells themselves, as in “phagocytic activity,” or their characteristic action. It comes from Greek roots meaning “to eat” and “cell,” reflecting the literal image of one cell swallowing another substance. Phagocytic is useful when precision matters because it identifies a specific cellular mechanism rather than the more general act of swallowing or absorption. Outside scientific contexts, however, the word is uncommon and may sound overly specialized.
adjectiveRelating to or capable of phagocytosis, the process by which a cell engulfs and digests particles such as bacteria, dead cells, or cellular debris.
- Relating to phagocytosis or to cells capable of performing it.
- Capable of engulfing and digesting particles, especially microbes, dead cells, or cellular debris.
"Macrophages are phagocytic cells that help clear pathogens and damaged tissue from the body."
"Neutrophils display strong phagocytic activity at sites of bacterial infection."
"The laboratory tested whether the isolated cells remained phagocytic after being exposed to the new compound."
Your immune system's microscopic cleanup crew uses phagocytic action to swallow and digest invading microbes.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does phagocytic come from?
Phagocytic was formed in English from the Greek phagein, meaning “to eat,” and kytos, meaning “cell,” together with the adjectival suffix -ic. The underlying expression refers to a cell-like body that takes in or engulfs material. Related English terms include phagocyte, phagocytosis, and phagocytose, all of which preserve the same Greek elements.
Related word forms
How phagocytic is actually used
This is chiefly a term in biology, medicine, and immunology. It is technical rather than everyday and normally describes cells, tissues, or biological activity.
Easily confused with phagocytic
Phagocytic is the adjective describing cells or processes involved in engulfing particles, whereas phagocytosis is the noun naming that process.