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.
Origin of compound microscope
First recorded in 1865–70
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A microscope consisting of an objective and an eyepiece at opposite ends of an adjustable tube.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.