bifocal Hear it!

bifocal definition

☆ bi·fo·cal (bī fō′kəl, bī′fō′-)

adjective

adjusted to two different focal lengths

noun

a lens, esp. for eyeglasses, with one part ground for close focus, as for reading, and the other ground for distance

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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