| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷- noun
Etymology: tetramethyl + thiuram
: a crystalline irritating compound [(CH 3 ) 2 NCS] 2 S 2 made by oxidation of a salt of dimethyl-dithiocarbamic acid and used chiefly as an accelerator of rubber vulcanization and as a fungicide and seed disinfectant; bis-(dimethyl-thiocarbamoyl) disulfide — abbr. TMTD ; called also thiram