n. the lens or lenses in an optical instrument such as a microscope or telescope through which one views the object or image under scrutiny.
I saw the bacteria through the eyepiece.
I saw the bacteria through the eyepiece.
Hear it
Where did Jared and Thimbletack find the eyepiece.
Hear it
lens; lenses; optical instrument
nose plug
2 syllables
eye-piece
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