Definition of immunoglobulin in English:

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Pronunciation: /ˌimyənōˈɡläbyələn/
Pronunciation: /iˌmyo͞onōˈɡläbyələn/


Any of a class of proteins present in the serum and cells of the immune system, that function as antibodies.
Example sentences
  • The passive transmission of various antibodies from intravenous immunoglobulin has been reported.
  • Breast milk contains a range of antimicrobial proteins, including immunoglobulins, lysozyme, and lactoferrin.
  • Antibodies, or Y-shaped immunoglobulins, are proteins found in the blood where they help to fight against foreign substances called antigens.

For editors and proofreaders

Syllabification: im·mu·no·glob·u·lin

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