potichomania

potichomania

(pɒˌtiːʃəˈmeɪnɪə)
n
(Crafts) the art or process of printing or using paint to decorate the inside of a glass vessel
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014