sericon
sericon
(ˈsɛrɪkɒn)n
a solution used in alchemy of unknown composition, perhaps a red tincture, often equated with minium, or red lead
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014