Dictionary

IgM

noun \ˌī-(ˌ)jē-ˈem\

Definition of IGM

1
:  a class of immunoglobulins of high molecular weight including the primary antibodies that are released into the blood early in the immune response to be replaced later by IgG and that are highly efficient in binding complement
2
:  an antibody of the class IgM

First Known Use of IGM

1969

IgM

noun \ˌī-ˌjē-ˈem\   (Medical Dictionary)

Medical Definition of IGM

1
:  a class of immunoglobulins of high molecular weight that include the primary antibodies released into the blood early in the immune response to be replaced later by IgGs of lower molecular weight and that are highly efficient in binding complement
2
:  an immunoglobulin of the class IgM

Browse

Next Word in the Dictionary: ignPrevious Word in the Dictionary: iglooAll Words Near: IgM
April 24, 2015
tyro Hear it
a beginner in learning
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears