/ Dictionary / Index R residual power: Meaning and Definition of Find definitions for: resid'ual pow'er Pronunciation: [key] power retained by a governmental authority after certain powers have been delegated to other authorities. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. residual magnetism residual stress Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language