Breadcrumb Home > Dictionary > Index P principium: Meaning and Definition of Find definitions for: prin•cip•i•um Pronunciation: (prin-sip'ē-um), [key] — pl. -cip•i•a a principle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Príncipe principle TrendingHere are the facts and trivia that people are buzzing about. Hard Labor Current Events This Week: June 2023 Languages Spoken in Each Country of the World User's Guide to Environmental Language The Washington Monument: Facts, History & Profile LGBT Pride Month | Biographies of Notable Individuals Civilian Labor Force ✖ Related Content Daily Word Quiz: visceral Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language