/ Dictionary / Index O optoelectronics: Meaning and Definition of Find definitions for: op•to•e•lec•tron•ics Pronunciation: (op"tō-i-lek-tron'iks, -ē"lek-), [key] — n. (used with a sing. v.) 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. opto- optometer Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language