Pronunciation: (ul"tru-sen'tru-fyOOj"), [key]
—n., v., -fuged, -fug•ing. Physical Chem.
a high-speed centrifuge for subjecting sols or solutions to forces many times that of gravity and producing concentration differences depending on the weight of the micelle or molecule.
to subject to the action of an ultracentrifuge.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.