Breadcrumb Home > Dictionary > Index T thermal radiation: Meaning and Definition of Find definitions for: ther'mal radia'tion Pronunciation: [key] — Thermodynam. Thermodynam. electromagnetic radiation emitted by all matter above a temperature of absolute zero because of the thermal motion of atomic particles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thermal printer thermal spring 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: persiflage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language