titer

American  

[tahy-ter, tee-] / ˈtaɪ tər, ˈti- /

especially British, titre

noun

Chemistry, Medicine/Medical.

1. the strength of a solution as determined by titration with a standard substance.

2. the concentration of a substance in a given sample as determined by titration.

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titer British  

/ ˈtiː-, ˈtaɪtə /

noun

1. the usual US spelling of titre

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titer Scientific  

/ tī′tər /

1. The concentration of a substance in solution or the strength of such a substance as determined by titration.

2. The minimum volume of a solution needed to cause a particular result in titration.

3. The concentration of antibodies present in the highest dilution of a serum sample at which visible clumps with an appropriate antigen are formed.

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Etymology

Origin of titer

1830–40; < French titre title, qualification, fineness of alloyed gold or silver < Latin titulus title

Example Sentences

A: In our model, we give it at a very low titer and it causes a very significant, very itchy, full body rash.

From Science Magazine • Oct. 26, 2023

However, others predict that a 1.5 times higher antibody titer would yield only slight improvement in vaccine effectiveness against symptomatic illness and severe disease, with a bump of about 5% and 1% respectively.

From Salon • Sep. 14, 2022

“Omicron BA.2 is not neutralized with detectable titer by any of the therapeutic monoclonal antibodies, including sotrovimab,” researchers from the NYU Grossman School of Medicine said in the study, which hasn’t been peer-reviewed.

From Washington Times • Feb. 21, 2022

He put it in a saline solution, injected himself just under the surface of the skin of his upper arm and then took a so-called titer test to look for antibodies in his bloodstream.

From New York Times • Sep. 1, 2020

The titer of a fat or oil is really an indication of the amount of stearic acid contained therein.

From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by Thomssen, E. G.