radioallergosorbent test
noun
: a radioimmunoassay for specific antibodies of immunoglobulin class IgE in which an insoluble matrix containing allergenic antigens is reacted with a sample of antibody-containing serum and then reacted again with antihuman antibodies against individual IgE antibodies to make specific determinations
—abbreviation RAST
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Merriam-Webster unabridged
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