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bifocal: Meaning and Definition of

bi•fo•cal

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