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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The high degree of resolution comes from the electron optics that focus the electron beam creating the X-rays, he said, and from the semiconductor detector.

From New York Times

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