opsonify

[ op-son-uh-fahy ]
/ ɒpˈsɒn əˌfaɪ /

verb (used with object), op·son·i·fied, op·son·i·fy·ing. Immunology.

to facilitate phagocytosis of (a microorganism, as a bacterium) by treatment with opsonin.

Origin of opsonify