optoelectronics

noun

plural in form but singular in construction
: a branch of electronics that deals with electronic devices for emitting, modulating, transmitting, and sensing light

Word History

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of optoelectronics was in 1959

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Cite this Entry

“Optoelectronics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optoelectronics. Accessed 10 Jul. 2026.

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