basaltware

basaltware

(ˈbæsɔːltˌwɛə; ˈbeɪsɔːlt-)
n
(Geological Science) hard fine-grained black stoneware, made in Europe, esp in England, in the late 18th century

ba•salt•ware

(bəˈsɔltˌwɛər, ˈbæs ɔlt-, ˈbeɪ sɔlt-)

n.
unglazed stoneware with a dull gloss, developed by Josiah Wedgwood (1730–95).

basaltware

Black, unglazed pottery.