[ 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.

Nearby words

  1. precipitate labor,
  2. precipitation,
  3. precipitation hardening,
  4. precipitin,
  5. precipitin test,
  6. precipitious,
  7. precipitous,
  8. precis,
  9. precise,
  10. precisely

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.