irritant gas

irritant gas

[′ir·ət·ənt ‚gas]
(materials)
A nonlethal gas, causing irritation of the skin and flow of tears; any one of the family of tear gases used for training and riot control.
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References in periodicals archive ?
Nitrogen dioxide is an irritant gas which in high concentrations can cause inflammation of the airways.
The passengers were sprayed with an irritant gas around 11am on Monday at the check-in counters in Terminal 1, Bild reported.
Nitrogen dioxide is an irritant gas which, if the concentration is high enough, can cause inflammation of the airways.
Chlorine is an irritant gas so if concentrated it can be very uncomfortable and potentially fatal if there is a lot of it.
Containers of the chemical Perkadox, used in the resin-making process, overheated after an industrial freezer broke down and clouds of irritant gas escaped.