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.

---

titer British  

/ ˈtiː-, ˈtaɪtə /

noun

1. the usual US spelling of titre

---

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.

---

Etymology

Origin of titer

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

Example Sentences

See Examples For:

titer

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

“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

McFarlane said her test results, which reported an antibody titer of 48.4U/mL, were too modest for her to feel protected from COVID-19, especially if she was to be seeing her five and eight-year-old grandchildren.

From Salon ● Aug. 13, 2021

“It took me 12 days from downloading the sequence to being titer positive,” he said.

From New York Times ● Sep. 1, 2020

A titer lower than 28 will prevent the finished kettle of soap from being capable of later taking up the filling materials.

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.