Meaning of semiporcelain

sem•i•por•ce•lain

Pronunciation: (sem"ē-pôr'su-lin, -pōr'-, -pôrs'lin, -pōrs'-, sem"ī-), [key]
— n.
  1. any of several vitrified ceramic wares lacking the translucency or hardness of true porcelain but otherwise similar to it.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.