precipitin

American

[pri-sip-i-tin] / prɪˈsɪp ɪ tɪn /

noun

Immunology.

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

precipitin British

/ prɪˈsɪpɪtɪn /

noun

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.

Graphs of precipitin reactions illustrating effects of formalin on antigenicity and reactivity of the extracts.

From Project Gutenberg

The precipitin test depends on a somewhat analogous reaction.

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

The precipitin reaction is the most successful of the serological techniques thus far devised for systematic comparisons.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023