Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
An early color television system using three separate video tubes with colored phosphors producing the primary colors, combining the images through dichroic mirrors onto a screen for viewing.
Definition source: English Wiktionary via Wiktextract
Usage: historical
Topics: broadcasting, media, television
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Originally the proprietary name for a system developed by RCA. See tri- (“three”), and -scope.
