optoelectronics

noun

Etymology: Etymology tree Proto-Indo-European *h₃ekʷ-der. Ancient Greek ὄπωπᾰ (ópōpă) Proto-Indo-European *-tós Proto-Hellenic *-tós Ancient Greek -τός (-tós) Ancient Greek ὀπτός (optós)der. English opto- Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus New Latin ēlectricusbor. English electric Proto-Indo-European *h₁ey- Proto-Indo-European *h₁éyti Proto-Hellenic *éimi Ancient Greek εἶμι (eîmi)der. English ion English electron ▲ Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic Old English -as Middle English -es English -s English -ics English electronics English optoelectronics From opto- + electronics.

1. The branch of physics that deals with the interaction of light with electronic devices, or the production of light from such devices