Word
immunoglobulin
Phoneticsim·munoglob·u·lin
Countable noun
Definition
n. a protein in your blood that fights germs and helps keep you from getting sick. Your body makes different types to fight different infections.
n. a class of proteins produced by plasma cells that function as antibodies, binding to specific antigens to neutralize pathogens. Includes five major classes (IgA, IgD, IgE, IgG, IgM) distinguished by structure and immune role.
Examples
“Immunoglobulin helps your body fight infections.”
“After the blood test, the doctor said low immunoglobulin levels might explain his frequent infections.”
“Researchers isolated a novel immunoglobulin variant that binds the viral spike protein with unusual strength, opening new paths for targeted therapy.”
Examples
simple
“Immunoglobulin helps your body fight infections.”
contextual
“After the blood test, the doctor said low immunoglobulin levels might explain his frequent infections.”
complex
“Researchers isolated a novel immunoglobulin variant that binds the viral spike protein with unusual strength, opening new paths for targeted therapy.”
Collocations
Common phrases and expressions where native English speakers use the word “immunoglobulin” in context.
Verb
01. administer immunoglobulin
“Doctors administer immunoglobulin to patients with primary immunodeficiency.”
verb + noun
02. immunoglobulin activates
“Immunoglobulin activates complement to destroy invading bacteria.”
noun + verb
03. immunoglobulin binds
“Immunoglobulin binds to specific antigens on the pathogen surface.”
noun + verb
04. immunoglobulin neutralizes
“Immunoglobulin neutralizes toxins before they damage tissues.”
noun + verb
Adjective
05. circulating immunoglobulin
“Circulating immunoglobulin levels rise sharply after vaccination.”
adj + noun
06. human immunoglobulin
“Human immunoglobulin is purified from donated plasma for therapeutic use.”
adj + noun
Noun
07. class of immunoglobulin
“IgA is a class of immunoglobulin that protects mucosal surfaces.”
noun + prep + noun
08. deficiency of immunoglobulin
“Deficiency of immunoglobulin increases susceptibility to recurrent infections.”
noun + prep + noun
09. infusion of immunoglobulin
“Monthly infusion of immunoglobulin helps prevent severe infections.”
noun + prep + noun
10. administer human immunoglobulin intravenously
“The team will administer human immunoglobulin intravenously over six hours.”
11. deficiency of specific immunoglobulin
“The child has a deficiency of specific immunoglobulin requiring replacement.”
12. immunoglobulin binds to antigen
“Immunoglobulin binds to antigen with high specificity and affinity.”
Etymology
From immuno- + globulin.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Related words
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C2 ProficiencyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.8.5–9.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 6.0114–120
- Frequency
- Occasional
- Level
- C2 · Proficiency
- Updated
- アルファベット
- 読み方の一覧 →
QR code
englishreference.com/q/immunoglobulin