/ Dictionary / Index M mercurialize: Meaning and Definition of Find definitions for: mer•cu•ri•al•ize Pronunciation: (mur-kyoor'ē-u-līz"), [key] — -ized, -iz•ing. to make mercurial, esp. in temperament. to treat or impregnate with mercury or one of its compounds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mercurialism mercuric Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language