#clay  soil that is plastic when moist but hard when fired
  supertype:  dirt__soil  the part of the earth's surface consisting of humus and disintegrated rock
  substance:  silicon
  substance of:  brick  clayware  roofing_tile
  subtype:  adobe  the clay from which adobe bricks are made
  subtype:  china_clay__chinaclay__china_stone__chinastone__kaolin__kaoline__porcelain_clay__porcelainclay__terra_alba__terraalba  a fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper)
  subtype:  red_clay__redclay  clay whose redness results from iron oxide
  subtype:  pipeclay__terra_alba__terraalba  fine white clay used in making tobacco pipes and pottery and in whitening leather
  subtype:  bentonite  an absorbent aluminum silicate clay formed from volcanic ash
  subtype:  fireclay  a heat-resistant clay
  subtype:  Kitty_Litter  (trademark) granulated clay; placed in a container where it absorbs the waste products of a cat or dog
  subtype:  potter's_clay__potter's_earth  clay that does not contain any iron; used in making pottery or for modeling
     subtype:  slip.potter's_clay  potter's clay that is thinned and used for coating or decorating ceramics
  subtype:  daub.clay  material used to daub walls

No statement uses or specializes clay; click here to add one.