eyepiece

noun

eye·​piece ˈī-ˌpēs 

: 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

The lens is equipped with a focus ring for precise adjustments, and the removable rubber eyepiece cover helps block light interference. —Matt Morris, Space.com, 25 May 2025

This electric signal is subsequently rendered on a micro display LCD screen, which the user views through the eyepiece. —Matt Morris, Space.com, 25 May 2025

The trick for this is to find binoculars with spacious eyepiece adjustments. —Bestreviews, Mercury News, 12 May 2025

His first forays into imaging the night sky saw Brecher capture the moon by holding a 'point and shoot' camera up to the eyepiece of his Celestron Ultima 200 Schmidt-Cassegrain telescope. —Anthony Wood, Space.com, 25 Apr. 2025

Word History

First Known Use

1729, in the meaning defined above

Rhymes for eyepiece

• altarpiece
• centerpiece
• frontispiece
• mantelpiece
• masterpiece
• pilates
• summarise
• syntheses
• apiece
• aris
• assise
• caprice

Kids Definition

eyepiece

noun

eye·​piece ˈī-ˌpēs 

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

Medical Definition

eyepiece

noun

eye·​piece ˈī-ˌpēs 

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

called also ocular