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a gas (for example, chloropicrin) that can cause vomiting and gastrointestinal disorders such as colic and diarrhea.
vomiting gasMilitary medicine
Chloropicrin, see there.
Any gas that evokes emesis, typically after nasopharyngeal irritation, coughing and sneezing and usually accompanied by headaches.
A gas, particularly chloropicrin, that induces vomiting.
See also: gas