dimethylamine (da??mi??a?l??mi?n) na colourless strong-smelling gas produced from ammonia and methanol, used to produce many industrial and pharmaceutical chemicalsCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014