/ Dictionary / Index L law of gravitation: Meaning and Definition of Find definitions for: law' of gravita'tion Pronunciation: [key] — Physics. Physics. a law stating that any two masses attract each other with a force equal to a constantmultiplied by the product of the two masses and divided by the square of the distance between them. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. law of exponents law of identity Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language