View synonyms for bifocal

bifocal

[ bahy-foh-kuhl, bahy-foh- ]

Phonetic (Standard)IPA

adjective

Chiefly Optics. having two foci.
(of an eyeglass or contact lens) having two portions, one for near and one for far vision.

bifocal

/ baɪˈfəʊkəl /

Origin of bifocal¹

An Americanism dating back to 1885–90; bi- ¹ + focal

People with progressive lenses or bifocals may need to go to an optician in person.

Any other fish or mammal would have been just as likely as Anableps to begin the development of a bifocal eye.

His most direct contribution to medicine was the invention for his own use of bifocal eyeglasses.

The very bifocal glasses, now in such general use, that he wore were a triumph of his own quick wit.

April 19, 2024tortuous

[tawr-choo-uhs ]

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Browse