An Encylopedia Britannica Company

eyepiece

1 ENTRIES FOUND:
eyepiece /ˈaɪˌpiːs/ noun
plural eyepieces
eyepiece
/ˈaɪˌpiːs/
noun
plural eyepieces
Britannica Dictionary definition of EYEPIECE
[count]
: the part of a telescope or microscope that you look through