[pen-tl-een-te-truh-zawl, -zol]
noun Pharmacology.
  1. a white, crystalline, bitter-tasting, water-soluble powder, C6H10N4, used as a respiratory and circulatory stimulant, especially in the treatment of barbiturate poisoning, and to induce a convulsive state in the treatment of certain mental diseases.

Origin of pentylenetetrazol Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pentylenetetrazol


  1. a white crystalline water-soluble substance with a bitter taste, used in medicine to stimulate the central nervous system. Formula: C 6 H 10 N 4

Word Origin for pentylenetetrazol

C20: from penta-methylene-tetrazole
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012