eyepiece

noun
eye·​piece | \ ˈī-ˌpēs How to pronounce eyepiece (audio) \

Definition of eyepiece

: the lens or combination of lenses at the eye end of an optical instrument

Examples of eyepiece in a Sentence

Recent Examples on the Web In comparison to modern observatories on earth or floating millions of miles away in space, Ladd can see at a magnification of 83 to 600 times depending on the eyepiece. Carlos R. Muñoz, BostonGlobe.com, 18 Feb. 2022 Since 1993, Space Shuttle crews have made four more servicing missions to this eyepiece on the stars. David Kindy, Smithsonian Magazine, 20 Dec. 2021 The idea of a powerful telescope that doesn’t even have an eyepiece is interesting, to say the least. Zach Epstein, BGR, 14 Aug. 2021 Through an eyepiece like a gunsight, the transmission man kept the massive dome of the Capitol right on the cross-hairs. Popular Mechanics Editors, Popular Mechanics, 29 July 2021 Next, close your left eye, and use the adjuster on the right eyepiece (diopter) to again bring things into focus. Daisy Kelly, chicagotribune.com, 11 Apr. 2021 The large eyepiece diameter offers a wider field of view as well. Chris Hachey, BGR, 19 May 2021 The large eyepiece diameter offers a wider field of view as well. Chris Hachey, BGR, 19 May 2021 The large eyepiece diameter offers a wider field of view as well. Chris Hachey, BGR, 19 May 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eyepiece.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of eyepiece

1729, in the meaning defined above

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Time Traveler for eyepiece

Time Traveler

The first known use of eyepiece was in 1729

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Dictionary Entries Near eyepiece

eye-opener

eyepiece

eyepit

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Cite this Entry

“Eyepiece.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eyepiece. Accessed 28 Jun. 2022.

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More Definitions for eyepiece

eyepiece

noun
eye·​piece | \ ˈī-ˌpēs How to pronounce eyepiece (audio) \

Kids Definition of eyepiece

: the lens or combination of lenses at the eye end of an optical instrument (as a microscope or telescope)

eyepiece

noun
eye·​piece | \ ˈī-ˌpēs How to pronounce eyepiece (audio) \

Medical Definition of eyepiece

: the lens or combination of lenses at the eye end of an optical instrument

called also ocular

More from Merriam-Webster on eyepiece

Nglish: Translation of eyepiece for Spanish Speakers

Britannica English: Translation of eyepiece for Arabic Speakers

Britannica.com: Encyclopedia article about eyepiece

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