Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
n. (used with a sing. verb)
The study or application of electromagnetic energy whose basic unit is the photon, using technology such as optics, lasers and other light sources, fiber optics, electrical engineering, and materials science in numerous applications including communications, electrical engineering, materials science, and information storage and processing.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) (functioning as singular) physics the study and design of devices and systems, such as optical fibres, that depend on the transmission, modulation, or amplification of streams of photons
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014