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
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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