/ Dictionary / Index P permanent tooth: Meaning and Definition of Find definitions for: per'manent tooth' Pronunciation: [key] any of the 32 adult teeth that replace the 20 milk teeth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. permanent press permanent way Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language