The Collaborative International Dictionary of English v.0.48:

Ceramics \Ce*ram"ics\, n. [See Ceramic.]
   1. The art of making things of baked clay; as pottery, tiles,
      etc.
      [1913 Webster]

   2. pl. Work formed of clay in whole or in part, and baked;
      as, vases, urns, etc. --Knight.
      [1913 Webster]

WordNet (r) 3.0 (2006):

ceramics
    n 1: the art of making and decorating pottery

Moby Thesaurus II by Grady Ward, 1.0:

43 Moby Thesaurus words for "ceramics":
   abstract art, adobe, art, art form, artist, arts and crafts,
   arts of design, biscuit, bisque, bowl, brick, calligraphy,
   cave art, cement, ceramic ware, china, crock, crockery, decoration,
   design, designing, enamelware, engraving, etching, fine arts,
   firebrick, folk art, glass, graphic arts, jug, photography,
   plastic art, porcelain, pot, pottery, primitive art, refractory,
   sculpture, the arts, tile, tiling, urn, vase