CS gas
/ˌsiːˌɛs ˈɡas
/noun [mass noun]
A powerful form of tear gas used particularly in the control of riots.Twenty-four police officers in riot gear using CS gas, five of them injured, nineteen people arrested, three pubs closed, traffic backed up for miles....
- All forces now have similar units (under various names), trained in riot control, use of firearms and sometimes CS gas.
- Teachers were so concerned that they called police and at one point an officer was forced to threaten to use CS gas to disperse the crowd.
Origin
1960s: from the initials of Ben B. Corson (1896–1987) and Roger W. Stoughton (1906–57), the American chemists who discovered the properties of the chemical in 1928.