/ Dictionary / Index S scientific notation: Meaning and Definition of Find definitions for: scientif'ic nota'tion Pronunciation: [key] a method for expressing a given quantity as a number having significant digits necessary for a specified degree of accuracy, multiplied by 10 to the appropriate power, as 1385.62 written as 1.386 × 10. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. scientific method scientism Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language