Definitions

1. verb

to mark a pathogen or a foreign substance with a molecule that facilitates its ingestion and destruction by a phagocyte

“The process of opsonizing bacteria helps the immune system to identify and eliminate them more efficiently.”

2. verb

to make (a substance) more easily ingested or taken up by a phagocyte

“The antibodies opsonized the foreign particles, preparing them for destruction by the immune system.”