ti·trate 
(tītrāt′)
(tītrāt′)tr. & intr.v. ti·trat·ed, ti·trat·ing, ti·trates
To determine the concentration of (a solution) by titration or perform the operation of titration.
[From French titrer, from titre, titer; see TITER.]
titrat′a·ble adj.
titra′tor n.