Definición de refractor en inglés:
1A lens or other object which causes refraction.
- 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.
- 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.
¿Qué te llama la atención de esta palabra o frase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia