field-ion microscope

[feeld-ahy-uhn, -ahy-on]

field-i·on mi·croscope

[feeld-ahy-uhn, -ahy-on]
noun
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:
1950–55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Field-ion microscope has a plethora of syllables.
So is antidisestablishmentarianism. Does it mean:
the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.
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