Pronunciation: (rek'tu-fī"ur), [key]
1. a person or thing that rectifies.
2. Elect.an apparatus in which current flows more readily in one direction than the other, for changing an alternating current into a direct current.
3. the apparatus that in distillation separates the most volatile material by condensing it; condenser.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.