macroglobulin

noun

mac·​ro·​glob·​u·​lin ˌma-krō-ˈglä-byə-lən 

: a highly polymerized globulin (such as IgM) of high molecular weight

Word History

Etymology

borrowed from German Makroglobulin, from makro- macro- + Globulin globulin

First Known Use

1952, in the meaning defined above

Medical Definition

macroglobulin

noun

mac·​ro·​glob·​u·​lin ˌmak-rō-ˈgläb-yə-lən 

: a highly polymerized globulin (as IgM) of high molecular weight