Dictionary entry

Porcelaneous

Webster's Dictionary 1913

{ Por′ce‐la″ne‐ous (?), Por′cel‐la″ne‐ous (?), } a. 1. Of or pertaining to porcelain; resembling porcelain; as, porcelaneous shells.

2. (Zoöl.) Having a smooth, compact shell without pores; — said of certain Foraminifera.