tear gas

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Related to tear-gas: lachrymator, Lachrymatory agent

gas

 [gas]
any elastic aeriform fluid in which the molecules are widely separated from each other and so have free paths.
alveolar gas the gas in the alveoli of the lungs, where gas exchange with the capillary blood takes place.
blood g's the partial pressures of oxygen and carbon dioxide in blood; see blood gas analysis.
laughing gas nitrous oxide.
gas pains pains caused by distention of the stomach or intestines by accumulation of air or other gases. The presence of gas is indicated by distention of the abdomen, belching, or discharge of gas through the rectum. Gas-forming foods include highly flavored vegetables such as onions, cabbage, and turnips; members of the bean family; and fruits such as melons and raw apples. Some seasonings and other chemical irritants also produce gas.
tear gas any of various irritant vapors dispensed by aerosol and causing pain and severe lacrimation in humans; some also cause irritation of exposed mucous membranes as well as vomiting. Common ones include chloroacetophenone (CN), o-chlorobenzylidenemalononitrile (see CS), and dibenz(b,f)-1,4-oxazepine (see cr); the most common of the three is CS (also known as mace).

tear gas

a gas (for example, acetone, benzene bromide, xylol) that causes irritation of the conjunctiva and profuse lacrimation.
See also: lacrimator.

tear gas

(tēr gas)
A common but erroneous term for compounds (e.g., acetone, benzene bromide, and xylol) that irritate the conjunctiva and cause profuse lacrimation. These compounds are typically solids dispensed either as aerosols or in solution.
See also: lacrimator
References in periodicals archive ?
In Kafr Qaddum, another village, dozens suffered tear-gas inhalation.
Early Friday, a 7-month-old suffered tear-gas inhalation after Israeli forces fired tear gas at midnight, he added.
Every week that I monitored the demonstration in his village, I (http://stevehynd.com/2012/03/16/a-not-so-peaceful-protest/) witnessed the Israeli military violate their own standards by firing tear-gas canisters directly at the crowds.
The use of tear-gas in this way can have deadly consequences.
The legal center, in a summary report published in 2013, demanded that Israeli security forces "completely prohibit the firing of 40mm tear-gas canisters either directly at individuals or horizontally, in a way that could cause result in injuries."
TEL AVIV, December 11, 2011 (WAFA) -- The Israeli Information Center for Human Rights in the Occupied Territory, B'Tselem, demanded that the investigation of Palestinian protester, Mustafa Tamimi's death examine not only the conduct of the soldier who fired the tear-gas canister at him, but also the responsibility of the command echelon, including the orders given to the soldier, Sunday said a press release published on the Center's website.