/ Dictionary / Index T titer: Meaning and Definition of Find definitions for: ti•ter Pronunciation: (tī'tur, tē'-), [key] — n. Chem., Med. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: titer (Thesaurus) titbit titfer Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language