First Known Use: 1868
Dictionary
titer
noun ti·ter \ˈtī-tər\
Definition of TITER
: the strength of a solution or the concentration of a substance in solution as determined by titration
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Origin of TITER
French titre title, proportion of gold or silver in a coin, from Old French title inscription, title
Medical Dictionary
titer
noun ti·ter \ˈtīt-ər\
Medical Definition of TITER
1
a : the strength of a solution or the concentration of a substance in solution as determined by titration b : the dilution of a serum containing a specific antibody at which the solution just retains a specific activity (as neutralizing or precipitating an antigen) which it loses at any greater dilution <a test for toxoplasmosis antibodies yielded a titer of 1:1024>
2
: the solidifying point of the fatty acids liberated from a fat that is determined by melting the acids in a tube and noting the temperature at which they solidify again on cooling
—ti·tered \-ərd\ adjective
Variants of TITER
ti·ter or chiefly British ti·tre \ˈtī-tər also ˈtē-\
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