— immunofluorescent , adj.
/im'yeuh noh floo res"euhns, -flaw-, -floh-, i myooh'-/ , n.
any of various techniques for detecting an antigen or antibody in a sample by coupling its specifically interactive antibody or antigen to a fluorescent compound, mixing with the sample, and observing the reaction under an ultraviolet-light microscope.
[ 1955-60; IMMUNO- + FLUORESCENCE ]