from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having two focal lengths.
- adj. Having one section that corrects for distant vision and another that corrects for near vision, as an eyeglass lens.
- adj. Embodying two distinct and often conflicting goals, interests, or courses of action: "a smoothly functioning bifocal mind” ( John McPhee). "A bifocal monetary policy . . . has kept one eye on the money supply and the other on interest rates” ( Edward Meadows).
- n.pl. Eyeglasses with bifocal lenses.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having two focal lengths
- adj. Divided into two parts, one of which corrects for distance vision and the other for near vision
from the GNU version of the Collaborative International Dictionary of English
- adj. Having two foci, as some spectacle lenses.
- n. a bifocal lens.
from The Century Dictionary and Cyclopedia
- Having two foci.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having two foci
Sorry, no etymologies found.