refractor
pronunciation
How to pronounce refractor in British English:
UK [rɪˈfræktə(r)]
How to pronounce refractor in American English:
US [rɪˈfræktɚ]
Word Origin
- refractor (n.)
- 1769, as a type of telescope, agent noun from refract.
Example
- 1. Chromatic aberration -- usually associated with objective lenses of refractor telescopes , is the failure of a lens to bring light of different wavelengths ( colors ) to a common focus .
- 2. Photo details : I captured these white light images using a lunt herschel solar wedge filter setup ; 80mm university optics refractor ; 2x barlow lens ; dmk ( 21 + 31 ) fire wire cameras ; 1 / 1000 sec .