/ Dictionary / Index M Mariotte's law: Meaning and Definition of Find definitions for: Mar•i•otte's' law' Pronunciation: (mar"ē-ots', mar'ē-ots"), [key] — Thermodynam. Thermodynam. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. marionette mariposa lily Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language