Breadcrumb Home > Dictionary > Index C cold cathode: Meaning and Definition of Find definitions for: cold' cath'ode Pronunciation: [key] — Electronics. Electronics. a cathode, in an electron tube or lamp, that emits electrons without having to be heated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cold cash cold cellar TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: pinguid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language