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precipitin

American  
[pri-sip-i-tin] / prɪˈsɪp ɪ tɪn /

noun

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


precipitin British  
/ prɪˈsɪpɪtɪn /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of precipitin

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The fiction predated the science: German bacteriologist Paul Uhlenhuth discovered the precipitin test for human blood only in 1900.

From Nature • Sep. 19, 2017

The precipitin test depends on a somewhat analogous reaction.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" by Various

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

From Myology and Serology of the Avian Family Fringillidae A Taxonomic Study by Stallcup, William B.

Utilizing the values for the precipitin tests a model was constructed which showed the relationships of the eleven species used in these tests.

From Myology and Serology of the Avian Family Fringillidae A Taxonomic Study by Stallcup, William B.

No white precipitin, as it is called, would form.

From The Silent Bullet by Reeve, Arthur B. (Arthur Benjamin)