/ Dictionary / Index M Metrazol: Meaning and Definition of Find definitions for: Met•ra•zol Pronunciation: (me'tru-zôl", -zol"), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of pentylenetetrazol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: metrazol (Thesaurus) metralgia metre Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language