Breadcrumb Home > Dictionary > Index P pulse-amplitude modulation: Meaning and Definition of Find definitions for: pulse'-am'pli•tude modula"tion Pronunciation: (puls'am'pli-td", -tyd"), [key] — Telecommunications. Telecommunications. modulation of the amplitude of a train of electric pulses used to carry signalsAbbr.: PAM Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pulse pulsebeat 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: quisling Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language