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field-emission microscope

[feeld-i-mish-uh n] /ˈfild ɪˌmɪʃ ən/
noun
1.
a device in which electrons liberated by field emission are accelerated toward a fluorescent screen to form a magnified image of the emitting surface.
Origin
1950-1955
1950-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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