WordReference Random House Unabridged Dictionary of American English © 2026
dep•u•rate
(dep′yə rāt′),USA pronunciation v.t., v.i., -rat•ed, -rat•ing.
dep′u•ra′tion, n.
dep′u•ra′tor, n.
- to make or become free from impurities.
- Medieval Latin dēpūrātus purified (past participle of dēpūrāre), equivalent. to Latin dē- de- pūr(us) pure + -ātus -ate1
- 1610–20
dep′u•ra′tor, n.