[ op-toh-i-lek-tron-iks, -ee-lek- ]
/ ˌɒp toʊ ɪ lɛkˈtrɒn ɪks, -ˌi lɛk- /

noun (used with a singular verb)

the branch of electronics dealing with devices that generate, transform, transmit, or sense optical, infrared, or ultraviolet radiation, as cathode-ray tubes, electroluminescent and liquid crystal displays, lasers, and solar cells.

Origin of optoelectronics

First recorded in 1955–60; opto- + electronics

Related forms

op·to·e·lec·tron·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for optoelectronic


/ (ˌɒptəʊɪlɛkˈtrɒnɪks) /


(functioning as singular) the study or use of devices in which an optical input produces an electrical output, or in which electrical stimulation produces visible or infrared output

Derived Forms

optoelectronic, adjective
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