What's the adjective for phagocytosing? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs phagocyte, phagocytise, phagocytize and phagocytose which may be used as adjectives within certain contexts.
phagotrophic
(microbiology) Feeding by engulfing a food cell or particle and ingesting it in a phagocytic vacuole, in the manner of some flagellates.