The phenomenon of aggregation of sensitized antigen upon addition of specific antibody (precipitin) to antigen in solution. SYN: immune precipitation.
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im·mu·no·pre·cip·i·ta·tion -pri-.sip-ə-'tā-shən n precipitation of a complex of an antibody and its specific antigen
im·mu·no·pre·cip·i·ta·ble -'sip-ət-ə-bəl adj
im·mu·no·pre·cip·i·tate -'sip-ət-ət, -ə-.tāt n
im·mu·no·pre·cip·i·tate -ə-.tāt vt, -tat·ed; -tat·ing
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im·mu·no·pre·cip·i·ta·tion (im″u-no-pre-sip″ĭ-taґshən) precipitation resulting from interaction of specific antibody and antigen. See precipitin reaction, under reaction.Medical dictionary. 2011.