Breadcrumb Home > Dictionary > Index P picture tube: Meaning and Definition of Find definitions for: pic'ture tube" Pronunciation: [key] a cathode-ray tube with a screen at one end on which televised images are reproduced. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. picturesque picture window TrendingHere are the facts and trivia that people are buzzing about. Ramadan and Eid al-Fitr 42 Best War Movie Quotes Current Events This Week: March 2023 Recycling Facts William Shakespeare Worst U.S. Forest Fires ✖ Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language