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electron optics

noun, (used with a singular verb)
1.
the study and use of the physical and optical properties of beams of electrons under the influence of electric or magnetic fields.
Origin of electron optics
1915-1920
1915-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for electron optics

electron optics

noun
1.
(functioning as sing) the study and use of beams of electrons and of their deflection and focusing by electric and magnetic fields
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Difficulty index for electron optics

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Word Value for electron

10
13
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