immunoassay
im·mu·no·as·say
noun\ˌi-myə-nō-ˈa-ˌsā, i-ˌmyü-nō-, -a-ˈsā\
Definition of IMMUNOASSAY
: a technique or test used to detect the presence or quantity of a substance (as a protein) based on its capacity to act as an antigen
— im·mu·no·as·say·able \-a-ˈsā-ə-bəl\ adjective
First Known Use of IMMUNOASSAY
1959
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