Definition of electron optics 

: a branch of physics in which the principles of optics are applied to beams of electrons

Other Words from electron optics

electron-optical \i-​ˌlek-​ˌträn-​ˈäp-​ti-​kəl \ adjective

First Known Use of electron optics

1916, in the meaning defined above

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The first known use of electron optics was in 1916

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Medical Definition of electron optics 

: a branch of physics in which the principles of optics are applied to beams of electrons

Other Words from electron optics

electron-optical \i-​ˌlek-​ˌträ-​ˈnäp-​ti-​kəl \ adjective

More from Merriam-Webster on electron optics

Britannica.com: Encyclopedia article about electron optics

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