[ pri-sip-i-tin-uh-juh n, -jen ]
/ prɪˌsɪp ɪˈtɪn ə dʒən, -ˌdʒɛn /


Immunology. an antigen that stimulates precipitin production or that reacts with antibody in an immunoprecipitation reaction.

Origin of precipitinogen

First recorded in 1900–05; precipitin + -o- + -gen Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for precipitinogen


[ prĭ-sĭp′ĭ-tĭnə-jən ]


An antigen that stimulates the formation of specific precipitin when injected into an animal body; a precipitable soluble antigen.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.