Definition of immunoglobulin in English:



  • [mass noun] Any of a class of proteins present in the serum and cells of the immune system, which function as antibodies.

    ‘she was given intravenous immunoglobulin’
    [count noun] ‘they are susceptible to infection in spite of high concentrations of immunoglobulins’
    • ‘The passive transmission of various antibodies from intravenous immunoglobulin has been reported.’
    • ‘Each whey product varies in the amount of protein, carbohydrates, immunoglobulins, lactose, minerals, and fat in the finished product.’
    • ‘Polyclonal immunoglobulins and other serum proteins were present in his urine.’
    • ‘Antibodies, or Y-shaped immunoglobulins, are proteins found in the blood where they help to fight against foreign substances called antigens.’
    • ‘Breast milk contains a range of antimicrobial proteins, including immunoglobulins, lysozyme, and lactoferrin.’