Meaning of elutriate

e•lu•tri•ate

Pronunciation: (i-l'trē-āt"), [key]
— -at•ed, -at•ing.
  1. to purify by washing and straining or decanting.
  2. to separate the light and heavy particles of by washing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.