Breadcrumb Home > Dictionary > Index G grid circuit: Meaning and Definition of Find definitions for: grid' cir"cuit Pronunciation: [key] — Electronics. Electronics. that part of a circuit that contains the cathode and the grid of a vacuum tube. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grid capacitor grid current 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: sectarian Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language