Definición de bifocal en inglés:

bifocal

Saltos de línea: bi|focal
Pronunciación: /bʌɪˈfəʊk(ə)l
 
/

adjetivo

  • Denoting a lens having two parts each with a different focal length, one for distant vision and one for near vision.
    Más ejemplos en oraciones
    • The multiple vision lenses include bifocal lenses for near and distant vision.
    • Three different designs for bifocal contact lenses exist: simultaneous, concentric and alternating vision.
    • Alternatively, some people use varifocal or bifocal lenses in order to see objects clearly that are both close up and far away.

sustantivo

(bifocals) Volver al principio  
  • A pair of glasses with bifocal lenses.
    Más ejemplos en oraciones
    • I wear bifocals or reading glasses - can I still wear contact lenses?
    • He put on a pair of glasses with clear, thick lenses that looked like bifocals.
    • This new refractive procedure is capable of reducing or even eliminating the need for bifocals or reading glasses for certain categories of patients.

Más definiciones de bifocal 

Definición de bifocal en: 

Obtener más de Oxford Dictionaries

Subscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día coloratura
Pronunciación: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody