Definition of titer in English:

titer

Syllabification: ti·ter
Pronunciation: /ˈtītər
 
/
(British titre)

noun

Chemistry
  • 1The concentration of a solution as determined by titration.
    More example sentences
    • Dialysis of the DNA resulted in acceptable titres.
    • The plate is incubated at 37° for 16-36 hr, and the titer of the colony-forming units is divided by the titer of the microscopic count to determine the viability.
    • Aliquots were withdrawn at the indicated times, the viable titer was determined, and the percentage of survivors was calculated.
  • 1.1The minimum volume of a solution needed to reach the endpoint in a titration.
  • 1.2 Medicine The concentration of an antibody, as determined by finding the highest dilution at which it is still able to cause agglutination of the antigen.
    More example sentences
    • The antibody response was termed as group specific, species specific or cross reactive depending on the comparative antibody titres obtained against different antigen pools.
    • Patients in Stages III and IV showed a decline in the antiGDlb antibody titers in relation to neurological recovery following PE.
    • Influenza vaccination has produced substantial antibody titers against influenza in vaccinated HIV-infected persons who have minimal symptoms related to acquired immunodeficiency syndrome and high CD4 cell counts.

Origin

mid 19th century: from French titre, from titrer (see titrate).

More definitions of titer

Definition of titer in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea