bifocal: Meaning and Definition of
bi•fo•cal
Pronunciation: (bī-fō'kul, bī'fō"-), [key] — adj.
- having two foci.
- (of an eyeglass or contact lens) having two portions, one for near and one for far vision.
—n. - bifocal eyeglasses or contact lenses.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.