Definición de refractor en inglés:

refractor

Saltos de línea: re|frac¦tor
Pronunciación: /rɪˈfraktə
 
/

sustantivo

  • 1A lens or other object which causes refraction.
    Más ejemplos en oraciones
    • He contributed to the theory of refraction, and as a result of his theory of the wave form of light he was able to calculate the refraction within the lenses and make refractors with lesser chromatic and spherical aberration.
    • The results demonstrated that trained nurses and lay screeners achieved similar accuracy rates administering the two automated refractors.
    • An arc of white light shone through the carefully planned refractors near its crest, making the Citadel look like an archer's bow drawn to the sky.
  • 1.1A refracting telescope.
    Más ejemplos en oraciones
    • Italian mathematician and astronomer Galileo Galilei used the first optical telescope, a refractor, in 1610.
    • Actually it was the biggest refractor (lens telescope); Sir William Herschel, who had died in 1822, had previously constructed larger reflecting telescopes (using curved mirrors) out at Slough.
    • This he equipped with a small refractor: a lens telescope with an aperture of four inches.

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Palabra del día grotesquerie
Pronunciación: grəʊˈtɛskəri
noun
grotesque quality or grotesque things collectively