Pronunciation: (i-lis'u, e-lē'su),[key] —n. a female given name, form of Elizabeth.Also,E•li•siaPronunciation: (i-lish'u).[key]
Pronunciation: (i-lī'zu, -su),[key] —n. 1. Med.a sensitive diagnostic test for past or current exposure to an infectious agent, as the AIDS virus: a sample of blood is added to proteins from the agent, and any antibodies that combine with the proteins, indicating a history of infection, are detected by adding a test antibody linked to an enzyme that causes a color change.
2. Biol.,Med.any similar test using proteins as a probe for the identification of antibodies or antigens.