/ Dictionary / Index P porcelainite: Meaning and Definition of Find definitions for: por•ce•lain•ite Pronunciation: (pôr'su-lu-nīt", pōr'-, pôrs'lu-, pōrs'-), [key] — n. mullite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. porcelain enamel porcelainize Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language