potter's clay

English Thesaurus

1. clay that does not contain any iron; used in making pottery or for modeling (noun.substance)

hypernym	:	clay,
definition	:	a very fine-grained soil that is plastic when moist but hard when fired (noun.substance)

hyponym	:	slip,
definition	:	potter's clay that is thinned and used for coating or decorating ceramics (noun.substance)