# triniscope

> English word · Noun

## Definitions
1. 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.

## Etymology
Originally the proprietary name for a system developed by RCA. See tri- (“three”), and -scope.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/triniscope