/ Dictionary / Index R random error: Meaning and Definition of Find definitions for: ran'dom er'ror Pronunciation: [key] — Statistics. Statistics. an error that has a random distribution and can be attributed to chance. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. random-access memory randomize Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language