precipitin


pre·cip·i·tin

noun \pri-ˈsi-pə-tən\

Definition of PRECIPITIN

:  an antibody that forms a precipitate when it unites with its antigen

Origin of PRECIPITIN

International Scientific Vocabulary, from precipitate
First Known Use: 1900

pre·cip·i·tin

noun \pri-ˈsip-ət-ən\   (Medical Dictionary)

Medical Definition of PRECIPITIN

: any of various antibodies which form insoluble precipitates with specific antigens and some of which are used in serological testing

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