Definition of eyecup in English:

eyecup

Syllabification: eye·cup
Pronunciation: /ˈīˌkəp
 
/

noun

1A piece of an optical device such as a microscope, camera, or pair of binoculars that is contoured to provide a comfortable rest against the user’s eye.
More example sentences
  • A roof prism design, it features central focusing, click stop adjustable eyepiece diopter, and nicely contoured push/pull eyecups.
  • This is a long eye relief binocular, and by rolling down the eyecups, eyeglass wearers can truly obtain a full field of view.
  • A roof prism design, it sports central focusing, click stops on the eyepiece diopter, and helicoid eyecups.
2North American A small container used for applying cleansing solutions to the eye.
More example sentences
  • Pour the tea into an eyecup (available at drugstores) and bathe each eye for at least five seconds, and up to one minute.
  • The resultant tea is used to sprinkle over the eyes or used in an eyewash in an eyecup that can be readily purchased at most drug stores.
  • Do not use an eyecup, eye drops, or ointment unless the poison center instructs you to do so.

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