refractor
- noun
- /rɪˈfræktər/
- Specialized
- A refractor uses lenses to bend light, making it a popular choice for amateur astronomers.
Examples
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The refractor telescope allowed us to view distant stars and planets with incredible clarity.
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It means that what we have in the inside the refractor is converging spherical waves, OK.
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When examining vision, the eye doctor often uses a refractor to determine the correct lens prescription.
Synonyms
A clear curved piece of glass or plastic that focuses light
A device that changes the direction of air, water, or smoke
How Refractive
- Specialized
- Specialized
Surface Forms
Morphology
Etymology
Refractor comes from the Latin parts re- 'back' and frangere 'to break', the same root found in fracture and fraction. A helpful image is a glass prism that 'breaks' light into new directions, which is exactly what a refractor does to change the path of light.