[ dɛpjʊə'reɪʃ(ə)n ]
■ noun technical the action or process of freeing something of impurities.
Derivatives
depurate verb
depurative adjective &noun
depurator noun
Origin
C17: from med. L. depuratio(n-) , from depurare , from de- 'completely' + purare 'purify'.