Dictionary
frac•tion•a•tor
Pronunciation: (frak'shu-nā"tur), [key]—
n.
1. Chem.an apparatus for fractional distillation. Cf.
cracker.
2. any apparatus capable of separating complex liquid substances, as blood, into their component parts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.