porcelaneous

from The Collaborative International Dictionary of English v.0.48

Porcelaneous \Por`ce*la"ne*ous\, Porcellaneous
\Por`cel*la"ne*ous\, a.
   1. Of or pertaining to porcelain; resembling porcelain; as,
      porcelaneous shells.
      [1913 Webster]

   2. (Zool.) Having a smooth, compact shell without pores; --
      said of certain Foraminifera.
      [1913 Webster]