electron optics

American

noun

(used with a singular verb)

the study and use of the physical and optical properties of beams of electrons under the influence of electric or magnetic fields.

electron optics British

noun

(functioning as singular) 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

Etymology

Origin of electron optics

First recorded in 1915–20

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023