/ Dictionary / Index A acceleration principle: Meaning and Definition of Find definitions for: accelera'tion prin"ciple Pronunciation: [key] — Econ. Econ. the principle that an increase in the demand for a finished product will create a greater demand for capital goods. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acceleration of gravity accelerative Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language