titration

/taɪˈtreɪʃən/
noun
  1. A laboratory method used to determine the concentration of a substance in a solution by adding a reagent of known concentration until the reaction is complete.
    • In chemistry class, we performed a titration to find the unknown concentration of an acid.
    • Accurate titration results depend on careful measurement of the volumes used.
    • The titration required a burette, a flask, and an indicator solution.