/ Dictionary / Index S semiporcelain: Meaning and Definition of Find definitions for: sem•i•por•ce•lain Pronunciation: (sem"ē-pôr'su-lin, -pōr'-, -pôrs'lin, -pōrs'-, sem"ī-), [key] — n. 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. semipolitical semipostal Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language