(n) a tear gas that is stronger than CN gas but wears off faster; can be deployed by grenades or cluster bombs; can cause skin burns and fatal pulmonary edema, Syn.CS gas
(Chem.) An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH= to distinguish it from the symmetrical ethylene, CH2=CH2. Its compounds are derived from aldehyde. Formerly called also ethidene. [ 1913 Webster ]
n. [ See Tropine. ] (Chem.) A liquid hydrocarbon obtained by the dry distillation of tropine with quicklime. It is regarded as being homologous with dipropargyl. [ 1913 Webster ]
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