titer
Americannoun
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the strength of a solution as determined by titration with a standard substance.
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the concentration of a substance in a given sample as determined by titration.
noun
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The concentration of a substance in solution or the strength of such a substance as determined by titration.
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The minimum volume of a solution needed to cause a particular result in titration.
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The concentration of antibodies present in the highest dilution of a serum sample at which visible clumps with an appropriate antigen are formed.
Etymology
Origin of titer
1830–40; < French titre title, qualification, fineness of alloyed gold or silver < Latin titulus title
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.
Should I confirm that I’m immune by taking something called a titer test?
From Slate • Mar. 12, 2025
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
I should say the antibody titer has reached the danger point.
From Category Phoenix by Ellanby, Boyd
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
