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immunodiffusion

[ im-yuh-noh-di-fyoo-zhuhn, ih-myoo- ]
/ ˌɪm yə noʊ dɪˈfyu ʒən, ɪˌmyu- /
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noun
any of various analytical techniques that involve antigen and antibody solutions diffusing toward each other in a gel until antibody binds specifically to antigen to form a precipitate.
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Origin of immunodiffusion

First recorded in 1955–60; immuno- + diffusion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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