单词	precipitin
释义	precipitin noun pre·​cip·​i·​tin pri-ˈsi-pə-tən  : an antibody that forms a precipitate when it unites with its antigen Word History Etymology International Scientific Vocabulary, from precipitate First Known Use 1900, in the meaning defined above Medical Definition precipitin noun pre·​cip·​i·​tin pri-ˈsip-ət-ən  : any of various antibodies which form insoluble precipitates with specific antigens and some of which are used in serological testing
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