- the strength of a solution as determined by titration with a standard substance.
- the concentration of a substance in a given sample as determined by titration.
Also especially British, ti·tre.
Origin of titer
1830–40; < French titre title, qualification, fineness of alloyed gold or silver < Latin titulus title
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for titre
The French 5-franc piece has its standard or titre at 0·9, and weighs 25 grammes.
It should not be impossible to find expression more English than "titre of toxicity" and "fulminating cases."
Titre premier: "Dispositions fondamentales garanties par la constitution."The Declaration of the Rights of Man and of Citizens
The maximum point to which the temperature rises is known as the "titre" of the sample.The Handbook of Soap Manufacture
W. H. Simmons
- the concentration of a solution as determined by titration
- the minimum quantity of a solution required to complete a reaction in a titration
- the quantity of antibody present in an organism
C19: from French titre proportion of gold or silver in an alloy, from Old French title title
- the usual US spelling of titre
- The concentration of a substance in solution or the strength of such a substance determined by titration.
- The minimum volume needed to cause a particular result in titration.
- The dilution of a serum containing a specific antibody at which the solution retains the minimum level of activity needed to neutralize or precipitate an antigen.
- The concentration of a substance in solution or the strength of such a substance as determined by titration.
- The minimum volume of a solution needed to cause a particular result in titration.
- The concentration of antibodies present in the highest dilution of a serum sample at which visible clumps with an appropriate antigen are formed.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.