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

High virus titers — a laboratory test that measures the level of antibodies in a blood sample — were detected in the respiratory organs of several mice.

From Salon

Viral titers in the lung were measured several days after infection and varied significantly depending on the nature of the microbiome of the different animal groups.

From Science Daily

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

“It was surprising that infectious titers were preserved at the same high levels as in the clinical patients,” Dr. Saitoh wrote.

From New York Times

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