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Collins Concise English Dictionary © HarperCollins Publishers:: bifocals /baɪˈfəʊkəlz/ pl n - a pair of spectacles with bifocal lenses
bi•fo•cal /baɪˈfoʊkəl, ˈbaɪˌfoʊ-/USA pronunciation adj. - Opticshaving two points of focus.
- Ophthalmology(of an eyeglass or contact lens) having two portions, one for near and one for far vision:wasn't ready for bifocal lenses just yet.
n. [plural] - bifocals, bifocal eyeglasses or contact lenses:With my bifocals I can read and see things at a distance.
WordReference Random House Unabridged Dictionary of American English © 2024bi•fo•cal (bī fō′kəl, bī′fō′-),USA pronunciation adj. - Optics[Chiefly Optics.]having two foci.
- Ophthalmology(of an eyeglass or contact lens) having two portions, one for near and one for far vision.
n. - bifocals, bifocal eyeglasses or contact lenses.
- bi-1 + focal 1885–90, American.
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