OBJECT GLASS

I. (noun)

Meaning:

The lens or system of lenses in a telescope or microscope that is nearest the object being viewed

Synonyms:

object glass; object lens; objective; objective lens

Classified under:

Nouns denoting man-made objects

Hypernyms ("object glass" is a kind of...):

lens; lens system; lense (a transparent optical device used to converge or diverge transmitted light and to form images)

Holonyms ("object glass" is a part of...):

compound microscope (light microscope that has two converging lens systems: the objective and the eyepiece)

optical telescope (an astronomical telescope designed to collect and record light from cosmic sources)