elute

tr.v., e·lut·ed, e·lut·ing, e·lutes.
To extract (one material) from another, usually by means of a solvent.

[From Latin ēluere, ēlūt-, to wash out : ē-, ex-, ex- + -luere, to wash.]

elution e·lu'tion n.

The process of removing an adsorbed material (adsorbate) from an adsorbent by washing it in a liquid (eluent). The solution consisting of the adsorbate dissolved in the eluent is the eluate. Elution is the process used to wash components of a mixture through a chromatography column.

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In chemistry, separation of material by washing; the process of pulverizing substances and mixing them with water in order to separate the heavier constituents, which settle out in solution, from the lighter.