or chiefly Brit  ti*tre  n 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 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 adj 
 
 
 
Similar sounding terms:  da·tu·ra   daughter   dietary  di·et·er 
 
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