bifocal
bahy foh kuhl
- s having two foci
bifocal eyeglasses
- The real object of Fowles' bifocal vision, though, is not so much the Victorian novel as the life it reflected.
- Feinbloom's binoculars are telemicroscopes mounted bifocal-style in the lower portion of ordinary prescription glasses.
- He devised bifocal glasses and clean-burning stoves, charts of the Gulf Stream and theories about the contagious nature of the common cold.