Breadcrumb Home > Dictionary > Index P photodynamics: Meaning and Definition of Find definitions for: pho•to•dy•nam•ics Pronunciation: (fō"tō-dī-nam'iks), [key] — n. (used with a sing. v.) the science dealing with light and its effects on living organisms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. photoduplicate photoelasticity 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: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language