Immunoglobulin

noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Any of the glycoproteins in blood serum that respond to invasion by foreign antigens and that protect the host by removing pathogens; an antibody.

    "The recent observation that a heat labile human immunoglobulin, IgE , could mediate the release of both histamine and SRS-Aᵐᵒⁿᵏᵉʸ from primate lung slices (Ishizaka et al., 1969), prompted a re-examination of the biologic activity of rat heat labile homocytotropic antibody."

  2. 2
    a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response wordnet

Synonyms

All synonyms
abantibodyantibodyigigaimmune gamma globulin

Example

More examples

"The recent observation that a heat labile human immunoglobulin, IgE , could mediate the release of both histamine and SRS-Aᵐᵒⁿᵏᵉʸ from primate lung slices (Ishizaka et al., 1969), prompted a re-examination of the biologic activity of rat heat labile homocytotropic antibody."

Etymology

From immuno- + globulin.

Related phrases

immunoglobulin Aimmunoglobulin Dimmunoglobulin Eimmunoglobulin Gimmunoglobulin Mblood serum

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.