Source : Webster's Revised Unabridged Dictionary (1913)

Elute \E*lute"\, v. t. [L. elutus, p. p. of eluers to elute; e +
   luere to wash.]
   To wash out. [R.] --Arbuthnot.

Source : WordNet®

elute
     v : wash out with a solvent, as in chromatography