refractor

noun

Pronunciation: rɪˈfræktər

Definition

An optical instrument that uses lenses to focus light to form an image.

Examples

• The observatory installed a large refractor to study the moons of Jupiter.

• Amateur stargazers often prefer a high-quality refractor for its clear, crisp views of the planets.

• Unlike reflecting telescopes that use mirrors, the refractor relies entirely on glass lenses to magnify celestial objects.

Synonyms of refractor

Words with a similar meaning to refractor:

• telescope
• lens
• optical instrument

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