poison gas


noun

any of various toxic gases, especially those used in chemical warfare to kill or incapacitate on inhalation or contact, as phosgene, chlorine, etc.

Origin of poison gas

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for poison gas

British Dictionary definitions for poison gas

poison gas

noun

a gaseous substance, such as chlorine, phosgene, or lewisite, used in warfare to kill or harm
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

Medicine definitions for poison gas

poison gas

n.

A gas or vapor used especially in chemical warfare to injure, disable, or kill upon inhalation or contact.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.