precipitin

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Related to precipitin reaction: precipitin test

pre·cip·i·tin

 (prĭ-sĭp′ĭ-tĭn)
n.
An antibody that reacts with a specific soluble antigen to produce a precipitate.

precipitin

(prɪˈsɪpɪtɪn)
n
(Biochemistry) immunol an antibody that causes precipitation when mixed with its specific antigen

pre•cip•i•tin

(prɪˈsɪp ɪ tɪn)

n.
an antibody that reacts with an antigen to form a precipitate.
[1895–1900]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.precipitin - an antibody that causes precipitation when it unites with its antigen
antibody - any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
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References in periodicals archive ?
Such algorithms may include monitoring the initial rate of the precipitin reaction as well as a separate prereaction step.
In fact, our patient showed definite positive precipitins to cockatiel antigen, as well as a definite positive reaction to pigeon sera and very weakly positive precipitin reactions to droppings extracts of pigeons, canaries, and parakeets.