electron microscope

electron microscope
a microscope of extremely high power that uses beams of electrons focused by magnetic lenses instead of rays of light, the magnified image being formed on a fluorescent screen or recorded on a photographic plate: its magnification is substantially greater than that of any optical microscope.
[1930-35]

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      microscope that attains extremely high resolution using an electron beam instead of a beam of light to illuminate the object of study. See microscope.

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Universalium. 2010.

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  • electron microscope — a microscope that uses a beam of electrons as a radiation source for viewing the specimen. The resolving power (ability to register fine detail) is a thousand times greater than that of an ordinary light microscope. The specimen must be examined… …   The new mediacal dictionary

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