Definition of opsonic in US English:

opsonic

adjective

Biochemistry
  • See opsonin

    • ‘One pool of GAS surface proteins induced antibodies that were both opsonic and potentially protective.’
    • ‘Moreover, Lancefield's studies in 1959 showed that type-specific opsonic antibodies can persist for 10-20 years after a GAS infection in humans.’
    • ‘Here we report on the opsonic potential of the resulting sera and the level of protection induced by this peptide in comparison to a pepsin extract of the M protein.’
    • ‘The data suggests that they contain a surface antigen that showed antibody responses which were both opsonic and potentially protective.’
    • ‘How did opsonic antibodies enhance alveolar macrophage effectiveness?’

Pronunciation

opsonic

/äpˈsänik/