elution

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the process of extracting one material from another by washing with a solvent to remove adsorbed material from an adsorbent (as in washing of loaded ion-exchange resins to remove captured ions);
used to obtain uranium ions (Freq. 4)
• Derivationally related forms:
elute
• Hypernyms:
extraction