bisqueware
noun
bisque·ware ˈbisk-ˌwer 
: biscuit ware
George Ohr produced bisque (unglazed) pottery throughout his career. … For his bisqueware, Ohr mixed clays of different natural colors into a subtle swirl or marbleized pattern. 
Antiques Roadshow Insider, 1 June 2011
Antiques Roadshow Insider, 1 June 2011
Word History
First Known Use
1840, in the meaning defined above