Definition of "bifocal" [bi•fo•cal]

  • Having two focal lengths. (adjective)
  • Having one section that corrects for distant vision and another that corrects for near vision, as an eyeglass lens. (adjective)
  • 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). (adjective)
  • Eyeglasses with bifocal lenses. (noun-plural)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "bifocal" in a sentence
  • "He produced other inventions as well, such as bifocal eyeglasses and the efficient Franklin stove."
  • "No intermediate lenses but u get optimal distance correction as well as reading. .and u will also look younger with them glasses as they don't have the telltale "bifocal" line."
  • "If not, then you got something "off the rack", and it may just be that the "bifocal" part covers more of the lens than necessary."