/ Thesaurus / P Synonyms of picture tube Find synonyms for: Noun1. kinescope, picture tube, television tube, cathode-ray tube, CRTusage: a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screenWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language