Electron microscope and Simple microscope

Electron microscope noun - A microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light.

Simple microscope and electron microscope are semantically related. In some cases you can use "Simple microscope" instead a noun phrase "Electron microscope".

Simple microscope noun - Light microscope consisting of a single convex lens that is used to produce an enlarged image.

Electron microscope and simple microscope are semantically related. You can use "Electron microscope" instead a noun phrase "Simple microscope".