EYEPIECE


Meaning of EYEPIECE in English

/ ˈaɪpiːs; NAmE / noun

the piece of glass (= a lens ) at the end of a telescope or microscope that you look through

—picture at telescope , microscope

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.