immunoassay

im·mu·no·as·say   (ĭm'yə-nō-ās'ā, ĭ-myōō'-)    n.  A laboratory technique that makes use of the binding between an antigen and its homologous antibody in order to identify and quantify the specific antigen or antibody in a sample.

Main Entry: im·mu·no·as·say
Pronunciation: "im-y&-nO-'as-"A, im-"yü-nO-, -a-'sA
Function: noun
: a technique or test (asthe enzyme-linked immunosorbent assay) used to detect the presence or quantity of a substance (as a protein) based on its capacity to act as an antigen or antibody —immunoassay transitive verb —im·mu·no·as·say·able /-a-'sA-&-b&l/ adjective

immunoassay im·mu·no·as·say (ĭm'yə-nō-ās'ā, ĭ-my&oomacr;'-)
n.
A laboratory or clinical technique that uses the specific binding between an antigen and its homologous antibody to identify and quantify a substance in a sample. Also called immunochemical assay.

immunoassay   (ĭm'yə-nō-ās'ā, ĭ-my'-)  Pronunciation Key  A laboratory technique that identifies and quantifies (usually in minute amounts) a protein such as a hormone or an enzyme, based on its ability to act as an antigen or antibody in a chemical reaction.