precipitin

[ pri-sip-i-tin ]

noun

, Immunology.

1. an antibody that reacts with its specific antigen to form an insoluble precipitate.

precipitin

/ prɪˈsɪpɪtɪn /

noun

1. immunol an antibody that causes precipitation when mixed with its specific antigen

Word History and Origins

Origin of precipitin¹

First recorded in 1895–1900; precipit(ate) + -in ²

Example Sentences

The antiserum used for the precipitin reaction was obtained by treating a rabbit with human blood serum.

From Project Gutenberg

Now all these specific reactions, the precipitin reaction as well as the anaphylactic reaction, can be called forth by proteins.

From Project Gutenberg

Some precipitin tests and preliminary remarks on the systematic relationships of four South American families of frogs.

From Project Gutenberg

Sasaki demonstrated the usefulness of the precipitin technique in distinguishing species of ducks and their hybrids.

From Project Gutenberg

The precipitin reaction, however, has never been applied to actual problems in avian taxonomy prior to the present study.

From Project Gutenberg