Definition of precipitin in English:

Share this entry

precipitin

Pronunciation: /prēˈsipədən/

noun

Biochemistry
An antibody that produces a visible precipitate when it reacts with its antigen.
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.

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.