1. treated with opsonin; coated with a substance that makes a pathogen more susceptible to destruction by immune cells
Usage: medical/immunology term; British spelling (American: opsonized)

1. past tense and past participle of opsonise; to treat with opsonin to enhance immune response
Usage: medical/immunology term; British spelling (American: opsonize)

Examples

• The bacteria were opsonised with antibodies to improve phagocytosis.
• Opsonised pathogens are more readily engulfed by white blood cells.
• The immune system opsonised the invading microorganisms.
• Researchers opsonised the samples before conducting the immunological assay.
• Opsonised particles showed increased clearance from the bloodstream.