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field-ion microscope

[feeld-ahy-uh n, -ahy-on] /ˈfildˌaɪ ən, -ˌaɪ ɒn/
noun
1.
a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
Also called ion microscope.
Origin
1950-1955
1950-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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