| an optical instrument for forming magnified images of small objects, consisting of an objective lens with a very short focal length and an eyepiece with a longer focal length, both lenses mounted in the same tube. |
| compound microscope n. A microscope consisting of an objective and an eyepiece at opposite ends of an adjustable tube. |
compound microscope n.
A microscope consisting of an objective and an eyepiece at opposite ends of an adjustable tube.