Pronunciation: (i-lis'u, e-lē'su), [key]
a female given name, form of Elizabeth. Also,E•li•siaPronunciation: (i-lish'u). [key]
Pronunciation: (i-lī'zu, -su), [key]
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.