1. An optical instrument that uses a lens or a combination of lenses to produce magnified images of small objects, especially of objects too small to be seen by the unaided eye.
2. An instrument, such as an electron microscope, that uses electronic or other processes to magnify objects.
[Italian microscopio or New Latin mīcroscopium (Italian, from New Latin); see MICROSCOPIUM.]
(click for a larger image)microscope
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