refractor

noun

re·​frac·​tor ri-ˈfrak-tər How to pronounce refractor (audio)
: a telescope whose principal focusing element is a lens

Examples of refractor in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The larger aperture delivered light and detail that would be impossible in tiny department-store refractors. — Damian Peach, Space.com, 4 Aug. 2026 Even a basic and small telescope, such as a 2-inch refractor, can get you a glimpse of the rings. — Jamie Carter, Forbes.com, 20 Sep. 2025 The main telescopes at the Observatory are an 11-inch Merz and Mahler refractor from 1845 and a 16-inch Alvan Clark and Sons refractor from 1904. — Jennie Key, Cincinnati Enquirer, 26 May 2025 See All Example Sentences for refractor

Word History

First Known Use

1769, in the meaning defined above

Time Traveler
The first known use of refractor was in 1769

Rhymes for refractor

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Browse Nearby Words

refractometric
refractor
refractorily
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Cite this Entry

“Refractor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/refractor. Accessed 5 Aug. 2026.

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Kids Definition

refractor

noun
re·​frac·​tor ri-ˈfrak-tər How to pronounce refractor (audio)
: a telescope in which the principal light-gathering element is a lens
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