Definition of precipitin in English:

precipitin

Syllabification: pre·cip·i·tin
Pronunciation: /priˈsipətən
 
/

noun

Biochemistry
  • An antibody that produces a visible precipitate when it reacts with its antigen.
    More example sentences
    • Serum agglutinins, precipitins, and complement-fixing antibodies can also be used to establish a diagnosis.
    • His laboratory was the first to emphasize the importance of precipitins to various peptide and polysaccharide antigens of Aspergillus fimigatus.
    • A negative serologic assay for precipitins does not rule out disease, as many factors can decrease the sensitivity of the test.

Origin

early 20th century: from the verb precipitate + -in1.

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Pronunciation: skəʊʃ
noun
a small amount; a little