Definición de varifocal en inglés:

varifocal

Saltos de línea: vari|focal
Pronunciación: /ˌvɛːrɪˈfəʊk(ə)l
 
/

adjetivo

  • Denoting a lens that allows an infinite number of focusing distances for near, intermediate, and far vision.
    Más ejemplos en oraciones
    • Alternatively, some people use varifocal or bifocal lenses in order to see objects clearly that are both close up and far away.
    • Problems were experienced by people who wore spectacles, particularly varifocal or bifocal lenses.
    • As if it's not bad enough that I have eyesight that requires varifocal lenses, now even those need replacing.

sustantivo

(varifocals) Volver al principio  
  • Varifocal glasses.
    Más ejemplos en oraciones
    • So now I make sure I have the lot: varifocals, reading glasses, prescription sunglasses, contact lenses, plain sunglasses for over the contacts, and reading glasses for over the contacts!
    • The optometrist saved me a bundle of cash and a great disappointment by telling me of a problem with varifocals I'd not heard of before.
    • I'm going to need varifocals this time so, to avoid a shock on the day, I asked the price.

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Palabra del día kerf
Pronunciación: kəːf
noun
a slit made by cutting with a saw