/ Dictionary / Index P petropower: Meaning and Definition of Find definitions for: pet•ro•pow•er Pronunciation: (pe'trō-pou"ur), [key] — n. the economic or political power of a nation resulting from its petroleum reserves needed by other nations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Petrópolis petrosal Related Content Daily Word Quiz: prevalent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language